./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feaa0156af8515c11e53760c56b6153bee93f0fe9288c23521b275fb865500c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:49,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:49,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:21:49,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:49,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:49,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:49,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:49,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:49,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:49,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:49,517 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:49,518 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:49,518 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:49,520 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:49,521 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:49,521 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:49,521 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:49,522 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:49,522 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:49,523 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:49,523 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:49,524 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:49,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:49,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:49,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:49,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:49,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:49,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:49,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:49,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:49,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:49,530 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:49,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:49,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:49,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:49,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:49,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:49,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:49,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:49,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:49,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:49,533 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:49,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:49,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:49,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:49,534 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:49,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:49,535 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_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feaa0156af8515c11e53760c56b6153bee93f0fe9288c23521b275fb865500c1 [2023-11-23 21:21:49,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:49,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:49,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:49,868 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:49,869 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:49,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-11-23 21:21:52,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:53,203 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:53,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-11-23 21:21:53,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data/6bae82c63/538121bf9aad419a928a6372ec1125ce/FLAGc35ec2713 [2023-11-23 21:21:53,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data/6bae82c63/538121bf9aad419a928a6372ec1125ce [2023-11-23 21:21:53,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:53,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:53,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:53,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:53,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:53,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a44b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53, skipping insertion in model container [2023-11-23 21:21:53,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:53,432 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_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2023-11-23 21:21:53,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:53,530 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:53,542 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2023-11-23 21:21:53,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:53,601 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:53,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53 WrapperNode [2023-11-23 21:21:53,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:53,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:53,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:53,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:53,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,670 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-23 21:21:53,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:53,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:53,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:53,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:53,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:53,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:53,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:53,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:53,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (1/1) ... [2023-11-23 21:21:53,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:53,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:53,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:53,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:53,888 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:53,891 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:54,397 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:54,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:54,858 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:54,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:54 BoogieIcfgContainer [2023-11-23 21:21:54,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:54,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:54,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:54,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:54,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:53" (1/3) ... [2023-11-23 21:21:54,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f25b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:54, skipping insertion in model container [2023-11-23 21:21:54,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:53" (2/3) ... [2023-11-23 21:21:54,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f25b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:54, skipping insertion in model container [2023-11-23 21:21:54,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:54" (3/3) ... [2023-11-23 21:21:54,875 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-11-23 21:21:54,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:54,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:54,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:54,976 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;@5ccb5b2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:54,977 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:21:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:21:54,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:55,000 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:55,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:55,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:55,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1765121052, now seen corresponding path program 1 times [2023-11-23 21:21:55,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:55,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349366663] [2023-11-23 21:21:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:55,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:55,251 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:21:55,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801667895] [2023-11-23 21:21:55,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:55,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:55,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:55,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:55,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:57,013 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:57,016 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:57,017 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:57,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:57,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:21:57,232 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:57,237 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:57,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:57 BoogieIcfgContainer [2023-11-23 21:21:57,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:57,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:57,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:57,450 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:57,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:54" (3/4) ... [2023-11-23 21:21:57,453 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:57,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:57,455 INFO L158 Benchmark]: Toolchain (without parser) took 4213.98ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 94.2MB in the beginning and 130.7MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:57,456 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:57,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.18ms. Allocated memory is still 136.3MB. Free memory was 93.9MB in the beginning and 78.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:21:57,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.28ms. Allocated memory is still 136.3MB. Free memory was 78.8MB in the beginning and 76.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:57,464 INFO L158 Benchmark]: Boogie Preprocessor took 39.02ms. Allocated memory is still 136.3MB. Free memory was 76.1MB in the beginning and 74.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:57,466 INFO L158 Benchmark]: RCFGBuilder took 1149.97ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 74.3MB in the beginning and 113.6MB in the end (delta: -39.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:57,467 INFO L158 Benchmark]: TraceAbstraction took 2584.54ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 130.7MB in the end (delta: -18.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-23 21:21:57,468 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 167.8MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:57,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.18ms. Allocated memory is still 136.3MB. Free memory was 93.9MB in the beginning and 78.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.28ms. Allocated memory is still 136.3MB. Free memory was 78.8MB in the beginning and 76.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.02ms. Allocated memory is still 136.3MB. Free memory was 76.1MB in the beginning and 74.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1149.97ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 74.3MB in the beginning and 113.6MB in the end (delta: -39.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2584.54ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 130.7MB in the end (delta: -18.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 167.8MB. Free memory is still 130.7MB. 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 93, overapproximation of shiftRight at line 65, overapproximation of someUnaryFLOAToperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -2; [L23] signed char var_1_10 = -32; [L24] signed long int var_1_11 = 4; [L25] signed long int var_1_12 = 1731242407; [L26] signed long int var_1_13 = 0; [L27] signed char var_1_14 = 10; [L28] signed char var_1_15 = 8; [L29] signed char var_1_16 = -25; [L30] signed char var_1_17 = -16; [L31] unsigned long int var_1_18 = 0; [L32] signed short int var_1_19 = 256; [L33] signed short int var_1_20 = 28075; [L34] signed short int var_1_21 = 256; [L35] signed short int var_1_22 = 25; [L36] unsigned char var_1_23 = 0; [L37] unsigned char var_1_24 = 0; [L38] signed char var_1_25 = 1; [L39] signed char var_1_26 = 0; [L40] signed char var_1_27 = 10; [L41] unsigned long int var_1_28 = 64; [L42] float var_1_30 = 127.75; [L43] float var_1_34 = 9.5; [L44] float var_1_35 = 256.5; [L45] unsigned long int var_1_36 = 0; [L46] signed long int var_1_38 = 4; [L47] unsigned long int var_1_40 = 128; [L48] unsigned char var_1_42 = 128; [L49] unsigned short int var_1_45 = 256; [L50] signed long int var_1_46 = 5; [L51] unsigned char var_1_47 = 1; [L52] signed short int var_1_49 = 16; [L53] signed long int last_1_var_1_1 = -2; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] CALL updateLastVariables() [L174] last_1_var_1_1 = var_1_1 [L184] RET updateLastVariables() [L185] CALL updateVariables() [L129] var_1_11 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L131] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L132] var_1_12 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L134] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L135] var_1_13 = __VERIFIER_nondet_long() [L136] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L137] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L138] var_1_14 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L140] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L141] var_1_15 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L143] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L144] var_1_16 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L146] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L147] var_1_17 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L149] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L150] var_1_20 = __VERIFIER_nondet_short() [L151] CALL assume_abort_if_not(var_1_20 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 16382) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L152] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L153] var_1_21 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L155] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L156] var_1_22 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L158] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L159] var_1_24 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L161] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L162] var_1_26 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_26 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_26 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L164] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L165] var_1_27 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L167] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L168] var_1_34 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L170] var_1_35 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=511/4, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L185] RET updateVariables() [L186] CALL step() [L57] var_1_19 = ((var_1_20 - var_1_21) - var_1_22) [L58] signed long int stepLocal_1 = (var_1_26 - var_1_27) + var_1_19; [L59] COND FALSE !(stepLocal_1 > var_1_22) [L62] var_1_25 = ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))) [L64] signed long int stepLocal_0 = var_1_11 - (var_1_12 - var_1_13); [L65] EXPR var_1_25 >> var_1_19 [L65] COND FALSE !((var_1_25 >> var_1_19) < stepLocal_0) [L68] var_1_10 = (var_1_17 + var_1_16) [L70] COND TRUE var_1_10 != var_1_25 [L71] var_1_18 = ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))) [L73] COND FALSE !(! ((64 * var_1_18) < var_1_18)) [L76] COND TRUE -8 <= var_1_10 [L77] COND FALSE !(var_1_10 == last_1_var_1_1) [L87] COND TRUE (var_1_1 * var_1_1) < var_1_18 [L88] COND TRUE var_1_1 < var_1_13 [L89] var_1_28 = 64u [L92] COND TRUE (var_1_27 + var_1_19) < var_1_13 [L93] var_1_30 = ((((var_1_34) < (((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))) ? (var_1_34) : (((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35)))))) [L95] var_1_36 = var_1_12 [L96] COND TRUE var_1_34 < var_1_30 [L97] var_1_38 = (((((((var_1_22) > (((((var_1_13) < (var_1_17)) ? (var_1_13) : (var_1_17))))) ? (var_1_22) : (((((var_1_13) < (var_1_17)) ? (var_1_13) : (var_1_17)))))) < 0 ) ? -((((var_1_22) > (((((var_1_13) < (var_1_17)) ? (var_1_13) : (var_1_17))))) ? (var_1_22) : (((((var_1_13) < (var_1_17)) ? (var_1_13) : (var_1_17)))))) : ((((var_1_22) > (((((var_1_13) < (var_1_17)) ? (var_1_13) : (var_1_17))))) ? (var_1_22) : (((((var_1_13) < (var_1_17)) ? (var_1_13) : (var_1_17)))))))) [L99] COND FALSE !(var_1_34 > var_1_30) [L106] var_1_40 = var_1_27 [L108] COND TRUE var_1_27 <= 100u [L109] COND FALSE !((var_1_27 - ((((-2) < 0 ) ? -(-2) : (-2)))) == (var_1_22 + -4)) [L115] var_1_45 = ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) [L116] COND FALSE !(var_1_35 > var_1_34) [L119] COND TRUE var_1_35 <= var_1_30 [L120] var_1_46 = (var_1_1 - var_1_19) [L125] var_1_47 = var_1_24 [L126] var_1_49 = var_1_26 [L186] RET step() [L187] CALL, EXPR property() [L177] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L177] EXPR var_1_25 >> var_1_19 [L177] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L177-L178] return (((((((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16))))) && ((var_1_10 != var_1_25) ? (var_1_18 == ((unsigned long int) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : 1)) && (var_1_19 == ((signed short int) ((var_1_20 - var_1_21) - var_1_22)))) && ((! ((64 * var_1_18) < var_1_18)) ? (var_1_23 == ((unsigned char) var_1_24)) : 1)) && ((((var_1_26 - var_1_27) + var_1_19) > var_1_22) ? (var_1_25 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_25 == ((signed char) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))))))) && (((var_1_1 * var_1_1) < var_1_18) ? ((var_1_1 < var_1_13) ? (var_1_28 == ((unsigned long int) 64u)) : 1) : 1) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=13, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=67108864, var_1_19=-1, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=12, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=2, var_1_34=2, var_1_35=0, var_1_36=1073741823, var_1_38=13, var_1_40=32, var_1_42=128, var_1_45=32, var_1_46=-1, var_1_47=0, var_1_49=46] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=13, var_1_11=-1, var_1_12=1073741823, var_1_13=67108864, var_1_14=13, var_1_15=2, var_1_16=1, var_1_17=12, var_1_18=67108864, var_1_19=-1, var_1_1=-2, var_1_20=16382, var_1_21=16370, var_1_22=13, var_1_23=0, var_1_24=0, var_1_25=12, var_1_26=46, var_1_27=32, var_1_28=64, var_1_30=2, var_1_34=2, var_1_35=0, var_1_36=1073741823, var_1_38=13, var_1_40=32, var_1_42=128, var_1_45=32, var_1_46=-1, var_1_47=0, var_1_49=46] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:21:57,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feaa0156af8515c11e53760c56b6153bee93f0fe9288c23521b275fb865500c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:00,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:00,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:22:00,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:00,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:00,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:00,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:00,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:00,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:00,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:00,378 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:00,379 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:00,379 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:00,381 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:00,381 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:00,382 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:00,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:00,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:00,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:00,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:00,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:00,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:00,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:00,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:00,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:22:00,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:22:00,388 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:22:00,388 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:00,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:00,389 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:00,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:00,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:22:00,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:00,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:00,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:00,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:00,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:00,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:00,392 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:22:00,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:00,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:00,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:00,394 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:00,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:00,394 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_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feaa0156af8515c11e53760c56b6153bee93f0fe9288c23521b275fb865500c1 [2023-11-23 21:22:00,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:00,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:00,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:00,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:00,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:00,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-11-23 21:22:04,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:04,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:04,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-11-23 21:22:04,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data/b58ec6eea/53a69858bc3f43feb57fa1be7ebcb22c/FLAGfd9ad0517 [2023-11-23 21:22:04,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/data/b58ec6eea/53a69858bc3f43feb57fa1be7ebcb22c [2023-11-23 21:22:04,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:04,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:04,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:04,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:04,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:04,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:04" (1/1) ... [2023-11-23 21:22:04,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795d00da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:04, skipping insertion in model container [2023-11-23 21:22:04,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:04" (1/1) ... [2023-11-23 21:22:04,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:04,715 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_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2023-11-23 21:22:04,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:04,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:04,913 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_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2023-11-23 21:22:05,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:05,035 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:05,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05 WrapperNode [2023-11-23 21:22:05,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:05,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:05,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:05,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:05,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,121 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-23 21:22:05,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:05,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:05,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:05,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:05,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:05,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:05,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:05,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:05,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:05,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:05,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:05,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:22:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:22:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:22:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:05,382 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:05,385 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:05,983 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:06,042 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:06,043 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:22:06,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:06 BoogieIcfgContainer [2023-11-23 21:22:06,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:06,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:06,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:06,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:06,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:04" (1/3) ... [2023-11-23 21:22:06,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261c9b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:06, skipping insertion in model container [2023-11-23 21:22:06,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05" (2/3) ... [2023-11-23 21:22:06,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261c9b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:06, skipping insertion in model container [2023-11-23 21:22:06,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:06" (3/3) ... [2023-11-23 21:22:06,053 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-11-23 21:22:06,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:06,073 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:22:06,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:06,151 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;@59c4e327, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:06,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:22:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.488888888888889) internal successors, (67), 46 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:22:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 21:22:06,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:06,183 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:06,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:06,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:06,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2112572211, now seen corresponding path program 1 times [2023-11-23 21:22:06,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:06,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655349275] [2023-11-23 21:22:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:06,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:06,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:06,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:06,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:22:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:06,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:22:06,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-23 21:22:06,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:06,614 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:06,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655349275] [2023-11-23 21:22:06,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655349275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:06,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:06,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:22:06,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703178665] [2023-11-23 21:22:06,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:06,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:22:06,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:06,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:22:06,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:22:06,665 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.488888888888889) internal successors, (67), 46 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:22:06,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:06,737 INFO L93 Difference]: Finished difference Result 149 states and 272 transitions. [2023-11-23 21:22:06,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:22:06,743 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2023-11-23 21:22:06,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:06,752 INFO L225 Difference]: With dead ends: 149 [2023-11-23 21:22:06,752 INFO L226 Difference]: Without dead ends: 74 [2023-11-23 21:22:06,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:22:06,760 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:06,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:06,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-23 21:22:06,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-23 21:22:06,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 44 states have internal predecessors, (62), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:22:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 118 transitions. [2023-11-23 21:22:06,815 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 118 transitions. Word has length 175 [2023-11-23 21:22:06,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:06,816 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 118 transitions. [2023-11-23 21:22:06,816 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:22:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2023-11-23 21:22:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 21:22:06,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:06,821 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:06,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:07,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:07,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:07,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:07,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1748369527, now seen corresponding path program 1 times [2023-11-23 21:22:07,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:07,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054536963] [2023-11-23 21:22:07,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:07,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:07,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:07,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:07,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:22:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:07,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 21:22:07,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 21:22:09,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:09,966 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:09,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054536963] [2023-11-23 21:22:09,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054536963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:09,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:09,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 21:22:09,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481094821] [2023-11-23 21:22:09,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:09,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:22:09,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:09,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:22:09,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:22:09,972 INFO L87 Difference]: Start difference. First operand 74 states and 118 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:22:13,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:13,789 INFO L93 Difference]: Finished difference Result 217 states and 335 transitions. [2023-11-23 21:22:13,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 21:22:13,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2023-11-23 21:22:13,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:13,796 INFO L225 Difference]: With dead ends: 217 [2023-11-23 21:22:13,796 INFO L226 Difference]: Without dead ends: 144 [2023-11-23 21:22:13,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2023-11-23 21:22:13,800 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 140 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:13,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 350 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:22:13,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-23 21:22:13,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 84. [2023-11-23 21:22:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:22:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 126 transitions. [2023-11-23 21:22:13,831 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 126 transitions. Word has length 175 [2023-11-23 21:22:13,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:13,833 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 126 transitions. [2023-11-23 21:22:13,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:22:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2023-11-23 21:22:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 21:22:13,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:13,838 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:13,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:22:14,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:14,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:14,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:14,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1737251143, now seen corresponding path program 1 times [2023-11-23 21:22:14,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:14,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593952517] [2023-11-23 21:22:14,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:14,046 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:14,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:14,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a887cf-6a4f-4dcd-8c16-b37cc6c5419b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:22:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:15,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-23 21:22:15,185 INFO L285 TraceCheckSpWp]: Computing forward predicates...