./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:24,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:24,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:47:24,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:24,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:24,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:24,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:24,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:24,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:24,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:24,600 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:24,601 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:24,601 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:24,602 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:24,602 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:24,603 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:24,603 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:24,604 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:24,604 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:24,605 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:24,605 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:24,613 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:24,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:24,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:24,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:47:24,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:24,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:47:24,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:24,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:24,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:24,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:24,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:47:24,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:24,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:24,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:24,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:24,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:24,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:24,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:24,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:24,623 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:24,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:24,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:24,624 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:24,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:24,625 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_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 [2023-11-12 00:47:24,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:24,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:24,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:24,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:24,983 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:24,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-12 00:47:28,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:28,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:28,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-12 00:47:28,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data/136c25767/176d862122894be28c0dca2ff8b1ca46/FLAG8cf6e395d [2023-11-12 00:47:28,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data/136c25767/176d862122894be28c0dca2ff8b1ca46 [2023-11-12 00:47:28,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:28,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:28,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:28,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:28,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:28,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:28" (1/1) ... [2023-11-12 00:47:28,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1240c941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:28, skipping insertion in model container [2023-11-12 00:47:28,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:28" (1/1) ... [2023-11-12 00:47:28,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:29,038 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_f364ffd1-25fe-4c75-8c9c-b8b113003068/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-12 00:47:29,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:29,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:29,190 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_f364ffd1-25fe-4c75-8c9c-b8b113003068/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-12 00:47:29,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:29,281 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:29,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29 WrapperNode [2023-11-12 00:47:29,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:29,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:29,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:29,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:29,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,393 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2023-11-12 00:47:29,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:29,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:29,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:29,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:29,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:29,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:29,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:29,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:29,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:29,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:29,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:29,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:47:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:47:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:29,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:29,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:30,502 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:31,074 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:31,074 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:47:31,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:31 BoogieIcfgContainer [2023-11-12 00:47:31,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:31,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:31,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:31,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:31,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:28" (1/3) ... [2023-11-12 00:47:31,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6077cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:31, skipping insertion in model container [2023-11-12 00:47:31,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (2/3) ... [2023-11-12 00:47:31,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6077cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:31, skipping insertion in model container [2023-11-12 00:47:31,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:31" (3/3) ... [2023-11-12 00:47:31,093 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-12 00:47:31,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:31,116 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:31,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:31,201 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;@28fa7071, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:31,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:31,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:47:31,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 00:47:31,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:31,246 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:31,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:31,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:31,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1180676594, now seen corresponding path program 1 times [2023-11-12 00:47:31,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:31,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950987021] [2023-11-12 00:47:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:31,504 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:31,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156340842] [2023-11-12 00:47:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:31,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:31,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:31,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:31,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:47:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:47:32,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:47:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:47:33,025 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:47:33,029 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:47:33,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:47:33,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:33,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:47:33,252 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:47:33,264 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:47:33,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:47:33 BoogieIcfgContainer [2023-11-12 00:47:33,462 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:47:33,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:47:33,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:47:33,463 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:47:33,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:31" (3/4) ... [2023-11-12 00:47:33,466 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:47:33,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:47:33,469 INFO L158 Benchmark]: Toolchain (without parser) took 4710.35ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 77.8MB in the end (delta: 45.6MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-12 00:47:33,470 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:33,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.27ms. Allocated memory is still 159.4MB. Free memory was 122.8MB in the beginning and 106.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:47:33,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.38ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 100.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:47:33,478 INFO L158 Benchmark]: Boogie Preprocessor took 128.68ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 97.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:47:33,479 INFO L158 Benchmark]: RCFGBuilder took 1553.87ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 65.4MB in the end (delta: 32.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-12 00:47:33,480 INFO L158 Benchmark]: TraceAbstraction took 2379.24ms. Allocated memory is still 159.4MB. Free memory was 65.4MB in the beginning and 77.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:33,480 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 159.4MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:33,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.27ms. Allocated memory is still 159.4MB. Free memory was 122.8MB in the beginning and 106.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.38ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 100.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.68ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 97.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1553.87ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 65.4MB in the end (delta: 32.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2379.24ms. Allocated memory is still 159.4MB. Free memory was 65.4MB in the beginning and 77.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 159.4MB. Free memory is still 77.8MB. 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 68, overapproximation of bitwiseOr at line 74, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned long int var_1_8 = 3645380125; [L24] float var_1_11 = 0.625; [L25] float var_1_12 = 31.2; [L26] float var_1_13 = 0.0; [L27] float var_1_14 = 32.8; [L28] unsigned short int var_1_15 = 64; [L29] signed char var_1_17 = -16; [L30] signed char var_1_18 = 64; [L31] signed char var_1_19 = 16; [L32] signed char var_1_20 = 32; [L33] signed char var_1_21 = 0; [L34] unsigned char var_1_22 = 50; [L35] unsigned short int var_1_23 = 32; [L36] unsigned char var_1_24 = 0; [L37] unsigned char var_1_29 = 1; [L38] unsigned char var_1_30 = 0; [L39] unsigned char var_1_31 = 0; [L40] unsigned char var_1_32 = 16; [L41] float var_1_33 = 10.5; [L42] float var_1_34 = 9.75; [L43] float var_1_35 = 3.6; [L44] unsigned char var_1_36 = 0; [L45] unsigned char var_1_37 = 10; [L46] unsigned char var_1_39 = 128; [L47] unsigned char var_1_40 = 0; [L48] unsigned short int last_1_var_1_15 = 64; [L49] unsigned char last_1_var_1_22 = 50; [L50] unsigned short int last_1_var_1_23 = 32; [L51] unsigned char last_1_var_1_24 = 0; [L52] unsigned char last_1_var_1_32 = 16; [L53] float last_1_var_1_35 = 3.6; [L54] unsigned char last_1_var_1_36 = 0; [L55] unsigned char last_1_var_1_40 = 0; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_22 = var_1_22 [L178] last_1_var_1_23 = var_1_23 [L179] last_1_var_1_24 = var_1_24 [L180] last_1_var_1_32 = var_1_32 [L181] last_1_var_1_35 = var_1_35 [L182] last_1_var_1_36 = var_1_36 [L183] last_1_var_1_40 = var_1_40 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L136] var_1_8 = __VERIFIER_nondet_ulong() [L137] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L138] CALL assume_abort_if_not(var_1_8 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_8 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L139] var_1_12 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L141] var_1_13 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L145] var_1_18 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L147] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L148] var_1_19 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L150] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L151] var_1_20 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L153] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L154] var_1_21 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L156] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L157] var_1_29 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L159] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L160] var_1_30 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L162] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L163] var_1_31 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L165] CALL assume_abort_if_not(var_1_31 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_31 <= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L166] var_1_34 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L168] var_1_37 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L170] CALL assume_abort_if_not(var_1_37 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_37 <= 127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=4290786880] [L171] var_1_39 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_39 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=127, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_39 >= 127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=127, var_1_40=0, var_1_8=4290786880] [L173] CALL assume_abort_if_not(var_1_39 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=127, var_1_40=0, var_1_8=4290786880] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_39 <= 254) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=-16, var_1_18=70, var_1_19=126, var_1_1=256, var_1_20=8, var_1_21=63, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=5, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=127, var_1_40=0, var_1_8=4290786880] [L194] RET updateVariables() [L195] CALL step() [L59] COND TRUE ! last_1_var_1_40 [L60] COND FALSE !(\read(last_1_var_1_40)) [L63] var_1_24 = (var_1_30 || var_1_31) [L68] COND FALSE !(63.25f != last_1_var_1_35) [L71] var_1_23 = (((65440 - var_1_20) - last_1_var_1_22) - var_1_21) [L73] signed long int stepLocal_4 = last_1_var_1_15; [L74] EXPR last_1_var_1_32 | var_1_21 [L74] signed long int stepLocal_3 = last_1_var_1_15 + (last_1_var_1_32 | var_1_21); [L75] unsigned char stepLocal_2 = var_1_31; [L76] COND FALSE !((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || stepLocal_2) [L89] var_1_36 = (var_1_39 - 2) [L91] var_1_11 = ((127.25f + var_1_12) - (var_1_13 - var_1_14)) [L92] COND FALSE !(var_1_14 < var_1_13) [L97] COND FALSE !(\read(var_1_24)) [L100] COND FALSE !(\read(var_1_24)) [L103] var_1_40 = 0 [L106] EXPR last_1_var_1_36 | last_1_var_1_23 [L106] COND TRUE (last_1_var_1_36 | last_1_var_1_23) != -128 [L107] var_1_22 = ((((var_1_20) > (8)) ? (var_1_20) : (8))) [L109] unsigned char stepLocal_0 = var_1_36; [L110] COND FALSE !(last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) [L115] COND TRUE (- var_1_8) == (var_1_23 * var_1_15) [L116] var_1_33 = var_1_14 [L120] COND FALSE !(var_1_23 == var_1_22) [L123] var_1_1 = (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23)))) [L125] unsigned long int stepLocal_1 = var_1_1; [L126] COND FALSE !(var_1_23 == stepLocal_1) [L129] COND FALSE !(var_1_35 >= var_1_13) [L132] var_1_17 = (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) [L195] RET step() [L196] CALL, EXPR property() [L186] EXPR (((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1) [L186] EXPR (((((((((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1)) && ((63.25f != last_1_var_1_35) ? (var_1_23 == ((unsigned short int) ((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))))) : (var_1_23 == ((unsigned short int) (((65440 - var_1_20) - last_1_var_1_22) - var_1_21))))) && ((! last_1_var_1_40) ? (last_1_var_1_40 ? (var_1_24 == ((unsigned char) ((last_1_var_1_40 || last_1_var_1_24) && (! (last_1_var_1_40 || var_1_29))))) : (var_1_24 == ((unsigned char) (var_1_30 || var_1_31)))) : (var_1_24 == ((unsigned char) var_1_29)))) && ((var_1_14 < var_1_13) ? ((31.875f <= var_1_12) ? (var_1_32 == ((unsigned char) var_1_20)) : 1) : 1)) && (((- var_1_8) == (var_1_23 * var_1_15)) ? (var_1_33 == ((float) var_1_14)) : (var_1_33 == ((float) ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)))))) && ((var_1_23 == var_1_1) ? (var_1_35 == ((float) (var_1_14 - (var_1_13 - var_1_34)))) : 1)) && (((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || var_1_31) ? ((last_1_var_1_15 <= last_1_var_1_15) ? (last_1_var_1_40 ? (var_1_36 == ((unsigned char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : (var_1_36 == ((unsigned char) (var_1_37 + ((((var_1_21) < (var_1_20)) ? (var_1_21) : (var_1_20))))))) : ((last_1_var_1_15 != (last_1_var_1_15 + (last_1_var_1_32 | var_1_21))) ? (var_1_36 == ((unsigned char) ((((var_1_21) > ((var_1_20 + var_1_37))) ? (var_1_21) : ((var_1_20 + var_1_37)))))) : 1)) : (var_1_36 == ((unsigned char) (var_1_39 - 2)))) [L186-L187] return ((((((((((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1)) && ((63.25f != last_1_var_1_35) ? (var_1_23 == ((unsigned short int) ((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))))) : (var_1_23 == ((unsigned short int) (((65440 - var_1_20) - last_1_var_1_22) - var_1_21))))) && ((! last_1_var_1_40) ? (last_1_var_1_40 ? (var_1_24 == ((unsigned char) ((last_1_var_1_40 || last_1_var_1_24) && (! (last_1_var_1_40 || var_1_29))))) : (var_1_24 == ((unsigned char) (var_1_30 || var_1_31)))) : (var_1_24 == ((unsigned char) var_1_29)))) && ((var_1_14 < var_1_13) ? ((31.875f <= var_1_12) ? (var_1_32 == ((unsigned char) var_1_20)) : 1) : 1)) && (((- var_1_8) == (var_1_23 * var_1_15)) ? (var_1_33 == ((float) var_1_14)) : (var_1_33 == ((float) ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)))))) && ((var_1_23 == var_1_1) ? (var_1_35 == ((float) (var_1_14 - (var_1_13 - var_1_34)))) : 1)) && (((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || var_1_31) ? ((last_1_var_1_15 <= last_1_var_1_15) ? (last_1_var_1_40 ? (var_1_36 == ((unsigned char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : (var_1_36 == ((unsigned char) (var_1_37 + ((((var_1_21) < (var_1_20)) ? (var_1_21) : (var_1_20))))))) : ((last_1_var_1_15 != (last_1_var_1_15 + (last_1_var_1_32 | var_1_21))) ? (var_1_36 == ((unsigned char) ((((var_1_21) > ((var_1_20 + var_1_37))) ? (var_1_21) : ((var_1_20 + var_1_37)))))) : 1)) : (var_1_36 == ((unsigned char) (var_1_39 - 2))))) && (var_1_24 ? (var_1_40 == ((unsigned char) ((var_1_8 == var_1_32) && (var_1_30 && (! var_1_29))))) : (var_1_24 ? (var_1_40 == ((unsigned char) (var_1_29 && var_1_30))) : (var_1_40 == ((unsigned char) 0)))) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=70, var_1_18=70, var_1_19=126, var_1_1=4290721561, var_1_20=8, var_1_21=63, var_1_22=8, var_1_23=65319, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=4, var_1_34=5, var_1_35=18/5, var_1_36=125, var_1_37=127, var_1_39=127, var_1_40=0, var_1_8=4290786880] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=64, var_1_17=70, var_1_18=70, var_1_19=126, var_1_1=4290721561, var_1_20=8, var_1_21=63, var_1_22=8, var_1_23=65319, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=4, var_1_34=5, var_1_35=18/5, var_1_36=125, var_1_37=127, var_1_39=127, var_1_40=0, var_1_8=4290786880] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:47:33,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:36,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:36,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:47:36,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:36,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:36,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:36,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:36,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:36,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:36,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:36,963 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:36,963 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:36,964 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:36,966 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:36,967 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:36,967 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:36,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:36,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:36,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:47:36,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:47:36,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:36,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:36,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:36,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:36,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:47:36,978 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:47:36,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:47:36,979 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:47:36,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:36,980 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:36,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:36,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:47:36,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:36,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:36,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:36,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:36,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:36,985 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:47:36,985 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:47:36,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:36,987 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:36,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:36,987 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_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 [2023-11-12 00:47:37,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:37,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:37,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:37,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:37,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:37,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-12 00:47:40,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:41,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:41,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-12 00:47:41,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data/4f57b10ef/5c44f991a13c409c972c1f6124ef2d24/FLAG2586c58c3 [2023-11-12 00:47:41,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/data/4f57b10ef/5c44f991a13c409c972c1f6124ef2d24 [2023-11-12 00:47:41,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:41,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:41,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:41,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:41,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:41,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a770ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41, skipping insertion in model container [2023-11-12 00:47:41,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:41,416 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_f364ffd1-25fe-4c75-8c9c-b8b113003068/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-12 00:47:41,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:41,524 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:41,542 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_f364ffd1-25fe-4c75-8c9c-b8b113003068/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-12 00:47:41,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:41,640 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:41,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41 WrapperNode [2023-11-12 00:47:41,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:41,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:41,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:41,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:41,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,698 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-12 00:47:41,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:41,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:41,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:41,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:41,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:41,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:41,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:41,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:41,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:41,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:41,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:41,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:47:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:47:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:47:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:41,973 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:41,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:46,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:46,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:46,777 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:47:46,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:46 BoogieIcfgContainer [2023-11-12 00:47:46,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:46,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:46,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:46,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:46,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:41" (1/3) ... [2023-11-12 00:47:46,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bef2cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:46, skipping insertion in model container [2023-11-12 00:47:46,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41" (2/3) ... [2023-11-12 00:47:46,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bef2cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:46, skipping insertion in model container [2023-11-12 00:47:46,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:46" (3/3) ... [2023-11-12 00:47:46,794 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-12 00:47:46,815 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:46,815 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:46,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:46,882 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;@2e4206c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:46,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:47:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-12 00:47:46,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:46,906 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:46,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:46,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:46,913 INFO L85 PathProgramCache]: Analyzing trace with hash 492071415, now seen corresponding path program 1 times [2023-11-12 00:47:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:47:46,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419091158] [2023-11-12 00:47:46,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:46,936 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 [2023-11-12 00:47:46,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:47:46,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:47:46,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:47:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:47,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:47:47,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-12 00:47:47,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:47:47,634 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:47:47,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419091158] [2023-11-12 00:47:47,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419091158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:47,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:47,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:47:47,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103034055] [2023-11-12 00:47:47,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:47,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:47:47,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:47:47,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:47:47,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:47:47,705 INFO L87 Difference]: Start difference. First operand has 79 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:47:47,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:47,759 INFO L93 Difference]: Finished difference Result 150 states and 262 transitions. [2023-11-12 00:47:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:47:47,763 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 158 [2023-11-12 00:47:47,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:47,776 INFO L225 Difference]: With dead ends: 150 [2023-11-12 00:47:47,777 INFO L226 Difference]: Without dead ends: 74 [2023-11-12 00:47:47,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:47:47,788 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:47,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:47:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-12 00:47:47,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-12 00:47:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:47:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions. [2023-11-12 00:47:47,849 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 158 [2023-11-12 00:47:47,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:47,850 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 112 transitions. [2023-11-12 00:47:47,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:47:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2023-11-12 00:47:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-12 00:47:47,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:47,855 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:47,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:47:48,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:47:48,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:48,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1452124851, now seen corresponding path program 1 times [2023-11-12 00:47:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:47:48,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407398557] [2023-11-12 00:47:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:48,078 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 [2023-11-12 00:47:48,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:47:48,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:47:48,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:47:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:48,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:47:48,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:47:49,217 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:47:49,217 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:47:49,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407398557] [2023-11-12 00:47:49,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407398557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:49,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:49,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:47:49,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357069550] [2023-11-12 00:47:49,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:49,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:47:49,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:47:49,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:47:49,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:47:49,222 INFO L87 Difference]: Start difference. First operand 74 states and 112 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:47:51,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:52,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:55,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:57,232 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 [] [2023-11-12 00:47:57,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:57,233 INFO L93 Difference]: Finished difference Result 257 states and 388 transitions. [2023-11-12 00:47:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:47:57,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 158 [2023-11-12 00:47:57,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:57,269 INFO L225 Difference]: With dead ends: 257 [2023-11-12 00:47:57,269 INFO L226 Difference]: Without dead ends: 186 [2023-11-12 00:47:57,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:47:57,272 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 134 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 57 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:57,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 358 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2023-11-12 00:47:57,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-12 00:47:57,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 136. [2023-11-12 00:47:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 85 states have (on average 1.2705882352941176) internal successors, (108), 85 states have internal predecessors, (108), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-12 00:47:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 204 transitions. [2023-11-12 00:47:57,330 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 204 transitions. Word has length 158 [2023-11-12 00:47:57,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:57,334 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 204 transitions. [2023-11-12 00:47:57,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:47:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 204 transitions. [2023-11-12 00:47:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:47:57,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:57,342 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:57,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:47:57,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:47:57,564 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:57,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1590920247, now seen corresponding path program 1 times [2023-11-12 00:47:57,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:47:57,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691938288] [2023-11-12 00:47:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:57,566 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 [2023-11-12 00:47:57,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:47:57,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:47:57,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:47:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:58,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:47:58,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 534 proven. 33 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2023-11-12 00:47:58,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 99 proven. 36 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-12 00:47:59,575 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:47:59,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691938288] [2023-11-12 00:47:59,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691938288] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:47:59,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1115016973] [2023-11-12 00:47:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:59,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:47:59,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:47:59,579 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:47:59,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:48:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:01,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 00:48:01,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 625 proven. 69 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-12 00:48:02,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:48:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1115016973] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:48:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583629301] [2023-11-12 00:48:03,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:03,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:03,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:03,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:03,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:48:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:03,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:48:03,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-12 00:48:04,187 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:48:04,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583629301] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:48:04,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:48:04,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 14, 8, 8, 8] total 27 [2023-11-12 00:48:04,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78499797] [2023-11-12 00:48:04,453 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:48:04,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-12 00:48:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:48:04,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-12 00:48:04,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2023-11-12 00:48:04,463 INFO L87 Difference]: Start difference. First operand 136 states and 204 transitions. Second operand has 27 states, 27 states have (on average 3.6666666666666665) internal successors, (99), 26 states have internal predecessors, (99), 6 states have call successors, (51), 6 states have call predecessors, (51), 11 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) [2023-11-12 00:48:08,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:10,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:12,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:14,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:16,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:17,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:17,621 INFO L93 Difference]: Finished difference Result 229 states and 328 transitions. [2023-11-12 00:48:17,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-12 00:48:17,655 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.6666666666666665) internal successors, (99), 26 states have internal predecessors, (99), 6 states have call successors, (51), 6 states have call predecessors, (51), 11 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) Word has length 159 [2023-11-12 00:48:17,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:17,657 INFO L225 Difference]: With dead ends: 229 [2023-11-12 00:48:17,658 INFO L226 Difference]: Without dead ends: 96 [2023-11-12 00:48:17,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 967 GetRequests, 921 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=499, Invalid=1481, Unknown=0, NotChecked=0, Total=1980 [2023-11-12 00:48:17,664 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 435 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 259 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:17,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 215 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 273 Invalid, 5 Unknown, 0 Unchecked, 12.3s Time] [2023-11-12 00:48:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-12 00:48:17,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2023-11-12 00:48:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 60 states have internal predecessors, (71), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:48:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 119 transitions. [2023-11-12 00:48:17,685 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 119 transitions. Word has length 159 [2023-11-12 00:48:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:17,686 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 119 transitions. [2023-11-12 00:48:17,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.6666666666666665) internal successors, (99), 26 states have internal predecessors, (99), 6 states have call successors, (51), 6 states have call predecessors, (51), 11 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) [2023-11-12 00:48:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 119 transitions. [2023-11-12 00:48:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:48:17,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:17,690 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:17,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:17,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:18,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:18,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:18,304 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:18,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:18,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1388705074, now seen corresponding path program 1 times [2023-11-12 00:48:18,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:48:18,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463519901] [2023-11-12 00:48:18,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:18,306 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 [2023-11-12 00:48:18,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:48:18,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:48:18,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f364ffd1-25fe-4c75-8c9c-b8b113003068/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-12 00:48:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:19,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-12 00:48:19,186 INFO L285 TraceCheckSpWp]: Computing forward predicates...