./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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_17718081-50b9-433f-b0cb-742e17a24456/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 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:48,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:48,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:09:48,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:48,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:48,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:48,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:48,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:48,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:48,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:48,494 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:48,495 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:48,496 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:48,496 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:48,497 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:48,498 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:48,498 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:48,499 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:48,499 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:48,500 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:48,501 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:48,501 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:48,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:48,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:48,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:48,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:48,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:48,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:48,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:48,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:48,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:48,506 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:48,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:48,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:48,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:48,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:48,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:48,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:48,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:48,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:48,511 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:48,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:48,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:48,512 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:48,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:48,513 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_17718081-50b9-433f-b0cb-742e17a24456/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d [2023-11-12 00:09:48,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:48,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:48,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:48,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:48,846 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:48,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-12 00:09:51,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:52,134 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:52,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-12 00:09:52,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data/a82c0cb1e/cbb1d06dbdc04a3baaa36ae8de4e558a/FLAG3f9891b3d [2023-11-12 00:09:52,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data/a82c0cb1e/cbb1d06dbdc04a3baaa36ae8de4e558a [2023-11-12 00:09:52,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:52,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:52,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:52,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:52,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:52,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c40a5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52, skipping insertion in model container [2023-11-12 00:09:52,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:52,358 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_17718081-50b9-433f-b0cb-742e17a24456/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-12 00:09:52,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:52,447 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:52,460 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_17718081-50b9-433f-b0cb-742e17a24456/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-12 00:09:52,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:52,537 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:52,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52 WrapperNode [2023-11-12 00:09:52,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:52,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:52,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:52,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:52,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,633 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-12 00:09:52,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:52,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:52,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:52,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:52,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:52,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:52,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:52,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:52,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (1/1) ... [2023-11-12 00:09:52,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:52,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:52,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:52,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:09:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:52,983 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:52,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:53,646 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:54,118 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:54,118 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:54,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:54 BoogieIcfgContainer [2023-11-12 00:09:54,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:54,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:54,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:54,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:54,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:52" (1/3) ... [2023-11-12 00:09:54,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563d1f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:54, skipping insertion in model container [2023-11-12 00:09:54,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:52" (2/3) ... [2023-11-12 00:09:54,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563d1f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:54, skipping insertion in model container [2023-11-12 00:09:54,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:54" (3/3) ... [2023-11-12 00:09:54,136 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-12 00:09:54,159 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:54,159 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:54,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:54,228 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;@4c711bf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:54,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:09:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-12 00:09:54,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:54,246 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:54,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:54,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:54,252 INFO L85 PathProgramCache]: Analyzing trace with hash 934201432, now seen corresponding path program 1 times [2023-11-12 00:09:54,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:54,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270362489] [2023-11-12 00:09:54,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:54,470 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:09:54,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544404912] [2023-11-12 00:09:54,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:54,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:54,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:54,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:54,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:09:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:09:55,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:09:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:09:55,576 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:09:55,578 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:09:55,580 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:09:55,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:55,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:09:55,793 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:09:55,797 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:09:55,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:09:55 BoogieIcfgContainer [2023-11-12 00:09:55,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:09:55,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:09:55,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:09:55,904 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:09:55,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:54" (3/4) ... [2023-11-12 00:09:55,906 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:09:55,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:09:55,911 INFO L158 Benchmark]: Toolchain (without parser) took 3744.68ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 115.6MB in the beginning and 106.1MB in the end (delta: 9.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,912 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:09:55,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.78ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 100.0MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.59ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 94.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,914 INFO L158 Benchmark]: Boogie Preprocessor took 92.20ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 91.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,915 INFO L158 Benchmark]: RCFGBuilder took 1393.66ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 91.7MB in the beginning and 155.3MB in the end (delta: -63.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,916 INFO L158 Benchmark]: TraceAbstraction took 1776.79ms. Allocated memory is still 190.8MB. Free memory was 154.3MB in the beginning and 106.1MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,916 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 190.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:09:55,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.78ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 100.0MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.59ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 94.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.20ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 91.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1393.66ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 91.7MB in the beginning and 155.3MB in the end (delta: -63.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1776.79ms. Allocated memory is still 190.8MB. Free memory was 154.3MB in the beginning and 106.1MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 190.8MB. Free memory is still 106.1MB. 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 88, overapproximation of bitwiseOr at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 53, overapproximation of someUnaryFLOAToperation at line 109. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 999999999.675; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] unsigned long int var_1_9 = 1; [L28] double var_1_10 = 63.25; [L29] unsigned char var_1_11 = 0; [L30] unsigned short int var_1_13 = 0; [L31] unsigned short int var_1_15 = 17766; [L32] unsigned short int var_1_16 = 28149; [L33] unsigned char var_1_19 = 4; [L34] unsigned char var_1_20 = 50; [L35] unsigned char var_1_21 = 64; [L36] unsigned char var_1_22 = 50; [L37] unsigned char var_1_23 = 5; [L38] unsigned char var_1_24 = 128; [L39] signed long int var_1_25 = -16; [L40] unsigned char var_1_26 = 0; [L41] signed short int var_1_27 = -4; [L42] unsigned short int var_1_33 = 2; [L43] signed long int var_1_36 = -1; [L44] float var_1_38 = 256.7; [L45] unsigned long int var_1_40 = 10; [L46] double var_1_42 = 100.5; [L47] signed char var_1_45 = 8; [L48] unsigned short int last_1_var_1_13 = 0; [L182] isInitial = 1 [L183] FCALL initially() [L184] COND TRUE 1 [L185] CALL updateLastVariables() [L175] last_1_var_1_13 = var_1_13 [L185] RET updateLastVariables() [L186] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L142] var_1_5 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L144] var_1_6 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L146] var_1_10 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L148] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L149] var_1_11 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L152] var_1_15 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L155] var_1_16 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L158] var_1_20 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_20 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_20 >= 32) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L161] var_1_21 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_21 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_21 >= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L164] var_1_22 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L167] var_1_23 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L170] var_1_24 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L172] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32767, var_1_16=32766, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L186] RET updateVariables() [L187] CALL step() [L52] COND TRUE last_1_var_1_13 == (last_1_var_1_13 % var_1_4) [L53] var_1_1 = (var_1_5 - var_1_6) [L55] COND TRUE \read(var_1_11) [L56] var_1_33 = ((((var_1_26) > (var_1_23)) ? (var_1_26) : (var_1_23))) [L58] COND TRUE var_1_10 == var_1_1 [L59] COND TRUE \read(var_1_11) [L60] var_1_19 = (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)) [L67] COND TRUE var_1_21 != (var_1_22 + var_1_19) [L68] COND TRUE \read(var_1_11) [L69] var_1_27 = ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) [L74] COND TRUE var_1_19 < (var_1_21 / var_1_20) [L75] COND FALSE !(var_1_19 > var_1_19) [L78] var_1_26 = var_1_22 [L81] COND TRUE 16 < var_1_22 [L82] COND FALSE !(var_1_24 <= var_1_13) [L88] COND TRUE var_1_1 >= var_1_6 [L89] var_1_7 = var_1_19 [L91] COND FALSE !(var_1_20 <= var_1_13) [L98] COND TRUE ((var_1_6 * var_1_5) / var_1_10) > var_1_1 [L99] COND TRUE \read(var_1_11) [L100] var_1_9 = var_1_26 [L105] COND FALSE !(var_1_26 < ((((((((var_1_22) > (var_1_26)) ? (var_1_22) : (var_1_26)))) > (var_1_22)) ? (((((var_1_22) > (var_1_26)) ? (var_1_22) : (var_1_26)))) : (var_1_22)))) [L108] COND TRUE var_1_6 <= var_1_6 [L109] var_1_42 = (((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))) < 0 ) ? -((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))) : ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) [L116] COND TRUE var_1_7 < var_1_9 [L117] var_1_13 = (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))) [L119] var_1_38 = var_1_5 [L120] COND FALSE !((var_1_22 % var_1_15) < var_1_20) [L123] var_1_45 = var_1_20 [L125] COND FALSE !((25.3 * var_1_5) != var_1_1) [L134] var_1_25 = var_1_20 [L187] RET step() [L188] CALL, EXPR property() [L178-L179] return (((((((last_1_var_1_13 == (last_1_var_1_13 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((var_1_1 >= var_1_6) ? (var_1_7 == ((signed long int) var_1_19)) : 1)) && ((((var_1_6 * var_1_5) / var_1_10) > var_1_1) ? (var_1_11 ? (var_1_9 == ((unsigned long int) var_1_26)) : (var_1_9 == ((unsigned long int) var_1_26))) : 1)) && ((var_1_7 < var_1_9) ? (var_1_13 == ((unsigned short int) (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))))) : 1)) && ((var_1_10 == var_1_1) ? (var_1_11 ? (var_1_19 == ((unsigned char) (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)))) : (var_1_19 == ((unsigned char) (var_1_24 - var_1_23)))) : (var_1_19 == ((unsigned char) var_1_24)))) && (((25.3 * var_1_5) != var_1_1) ? (var_1_11 ? ((var_1_15 <= var_1_13) ? (var_1_25 == ((signed long int) var_1_26)) : 1) : (var_1_25 == ((signed long int) var_1_22))) : (var_1_25 == ((signed long int) var_1_20)))) && ((var_1_19 < (var_1_21 / var_1_20)) ? ((var_1_19 > var_1_19) ? (var_1_26 == ((unsigned char) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (var_1_23)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (var_1_23))))) : (var_1_26 == ((unsigned char) var_1_22))) : 1) ; [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=32829, var_1_15=32767, var_1_16=32766, var_1_19=1, var_1_1=0, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=254, var_1_25=32, var_1_26=64, var_1_27=254, var_1_33=63, var_1_36=-1, var_1_38=2, var_1_40=10, var_1_42=201/2, var_1_45=32, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=1, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=32829, var_1_15=32767, var_1_16=32766, var_1_19=1, var_1_1=0, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=254, var_1_25=32, var_1_26=64, var_1_27=254, var_1_33=63, var_1_36=-1, var_1_38=2, var_1_40=10, var_1_42=201/2, var_1_45=32, var_1_4=-1, var_1_5=2, var_1_6=3, var_1_7=1, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 23, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 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 00:09:55,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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_17718081-50b9-433f-b0cb-742e17a24456/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 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:58,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:58,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:09:58,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:58,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:58,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:58,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:58,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:58,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:58,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:58,857 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:58,857 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:58,858 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:58,860 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:58,860 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:58,861 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:58,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:58,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:58,863 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:58,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:58,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:58,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:58,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:58,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:58,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:09:58,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:09:58,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:09:58,868 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:58,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:58,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:58,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:58,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:09:58,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:58,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:58,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:58,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:58,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:58,874 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:09:58,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:58,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:58,876 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:58,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:58,877 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_17718081-50b9-433f-b0cb-742e17a24456/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d [2023-11-12 00:09:59,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:59,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:59,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:59,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:59,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:59,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-12 00:10:02,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:02,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:02,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-12 00:10:02,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data/273f0bce3/aca7275ec6cf4365a2368562e57fbe06/FLAG5fe24ffa7 [2023-11-12 00:10:02,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/data/273f0bce3/aca7275ec6cf4365a2368562e57fbe06 [2023-11-12 00:10:02,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:02,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:02,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:02,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:02,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:02,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:02" (1/1) ... [2023-11-12 00:10:02,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5f87fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:02, skipping insertion in model container [2023-11-12 00:10:02,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:02" (1/1) ... [2023-11-12 00:10:02,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:02,940 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_17718081-50b9-433f-b0cb-742e17a24456/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-12 00:10:03,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:03,044 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:03,057 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_17718081-50b9-433f-b0cb-742e17a24456/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-12 00:10:03,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:03,116 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:03,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03 WrapperNode [2023-11-12 00:10:03,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:03,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:03,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:03,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:03,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,196 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-12 00:10:03,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:03,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:03,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:03,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:03,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:03,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:03,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:03,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:03,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:03,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:03,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:03,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:10:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:03,475 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:03,477 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:16,341 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:16,350 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:16,350 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:16,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:16 BoogieIcfgContainer [2023-11-12 00:10:16,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:16,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:16,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:16,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:16,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:02" (1/3) ... [2023-11-12 00:10:16,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51704c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:16, skipping insertion in model container [2023-11-12 00:10:16,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (2/3) ... [2023-11-12 00:10:16,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51704c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:16, skipping insertion in model container [2023-11-12 00:10:16,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:16" (3/3) ... [2023-11-12 00:10:16,362 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-12 00:10:16,382 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:16,382 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:16,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:16,445 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;@4b301422, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:16,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:10:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 00:10:16,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:16,478 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:16,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:16,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash -630852230, now seen corresponding path program 1 times [2023-11-12 00:10:16,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:16,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153075953] [2023-11-12 00:10:16,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:16,510 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 00:10:16,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:16,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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 00:10:16,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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 00:10:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:18,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:10:18,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2023-11-12 00:10:18,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:18,317 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:18,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153075953] [2023-11-12 00:10:18,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153075953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:18,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:18,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:10:18,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665827906] [2023-11-12 00:10:18,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:18,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:10:18,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:18,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:10:18,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:18,380 INFO L87 Difference]: Start difference. First operand has 80 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:10:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:18,450 INFO L93 Difference]: Finished difference Result 153 states and 277 transitions. [2023-11-12 00:10:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:10:18,453 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2023-11-12 00:10:18,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:18,465 INFO L225 Difference]: With dead ends: 153 [2023-11-12 00:10:18,465 INFO L226 Difference]: Without dead ends: 76 [2023-11-12 00:10:18,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 00:10:18,475 INFO L413 NwaCegarLoop]: 122 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, 122 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 00:10:18,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:10:18,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-12 00:10:18,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-12 00:10:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 51 states have internal predecessors, (76), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:10:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 122 transitions. [2023-11-12 00:10:18,527 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 122 transitions. Word has length 150 [2023-11-12 00:10:18,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:18,527 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 122 transitions. [2023-11-12 00:10:18,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:10:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-11-12 00:10:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 00:10:18,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:18,533 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:18,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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)] Ended with exit code 0 [2023-11-12 00:10:18,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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 00:10:18,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:18,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:18,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1124914048, now seen corresponding path program 1 times [2023-11-12 00:10:18,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:18,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302816834] [2023-11-12 00:10:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:18,756 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 00:10:18,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:18,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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 00:10:18,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/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 00:10:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:20,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 00:10:20,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 534 proven. 36 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-12 00:10:30,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:32,703 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:32,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302816834] [2023-11-12 00:10:32,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302816834] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:10:32,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [335582219] [2023-11-12 00:10:32,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:32,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:32,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:10:32,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:10:32,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:10:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:34,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:34,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:40,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 00:10:40,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:10:42,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [335582219] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:10:42,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111496712] [2023-11-12 00:10:42,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:42,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:42,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:42,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:42,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17718081-50b9-433f-b0cb-742e17a24456/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:10:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:44,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:10:45,001 INFO L285 TraceCheckSpWp]: Computing forward predicates...