./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ --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 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:10,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:10,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:52:10,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:10,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:10,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:10,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:10,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:10,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:10,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:10,258 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:10,259 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:10,260 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:10,260 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:10,261 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:10,261 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:10,262 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:10,262 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:10,263 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:10,263 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:10,264 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:10,264 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:10,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:10,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:10,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:10,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:10,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:10,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:10,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:10,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:10,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:10,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:10,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:10,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:10,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:10,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:10,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:10,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:10,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:10,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:10,273 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:10,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:10,276 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:10,277 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:10,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:10,278 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_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 [2023-11-19 04:52:10,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:10,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:10,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:10,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:10,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:10,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-19 04:52:13,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:14,100 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:14,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-19 04:52:14,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data/3d90907bb/53ed7c120801446cafed0e9be19ead0f/FLAGacd511eab [2023-11-19 04:52:14,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data/3d90907bb/53ed7c120801446cafed0e9be19ead0f [2023-11-19 04:52:14,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:14,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:14,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:14,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:14,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:14,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e6d94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14, skipping insertion in model container [2023-11-19 04:52:14,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:14,364 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_f0451093-2190-4fc4-a70f-985da8e04f1a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-19 04:52:14,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:14,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:14,458 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_f0451093-2190-4fc4-a70f-985da8e04f1a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-19 04:52:14,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:14,526 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:14,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14 WrapperNode [2023-11-19 04:52:14,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:14,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:14,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:14,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:14,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,641 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-19 04:52:14,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:14,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:14,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:14,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:14,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:14,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:14,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:14,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:14,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (1/1) ... [2023-11-19 04:52:14,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:14,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:14,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:14,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:52:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:52:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:14,927 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:14,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:15,550 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:16,023 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:16,023 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:52:16,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:16 BoogieIcfgContainer [2023-11-19 04:52:16,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:16,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:16,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:16,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:16,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:14" (1/3) ... [2023-11-19 04:52:16,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697982ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:16, skipping insertion in model container [2023-11-19 04:52:16,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:14" (2/3) ... [2023-11-19 04:52:16,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697982ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:16, skipping insertion in model container [2023-11-19 04:52:16,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:16" (3/3) ... [2023-11-19 04:52:16,048 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-19 04:52:16,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:16,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:16,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:16,166 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;@7d016f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:16,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:52:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 04:52:16,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:16,194 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:16,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:16,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:16,204 INFO L85 PathProgramCache]: Analyzing trace with hash 952275617, now seen corresponding path program 1 times [2023-11-19 04:52:16,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:16,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208003080] [2023-11-19 04:52:16,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:16,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:16,524 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:52:16,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655251773] [2023-11-19 04:52:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:16,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:52:16,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:16,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:52:16,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:52:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:52:17,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:52:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:52:17,560 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:52:17,562 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:52:17,564 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:52:17,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:52:17,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:52:17,777 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:52:17,781 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:52:17,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:52:17 BoogieIcfgContainer [2023-11-19 04:52:17,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:52:17,941 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:52:17,941 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:52:17,941 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:52:17,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:16" (3/4) ... [2023-11-19 04:52:17,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:52:17,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:52:17,947 INFO L158 Benchmark]: Toolchain (without parser) took 3817.85ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 119.3MB in the beginning and 177.0MB in the end (delta: -57.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-19 04:52:17,947 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:17,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.24ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 103.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:52:17,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.20ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 99.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:52:17,955 INFO L158 Benchmark]: Boogie Preprocessor took 47.20ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 97.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:52:17,957 INFO L158 Benchmark]: RCFGBuilder took 1340.20ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 97.3MB in the beginning and 145.7MB in the end (delta: -48.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-19 04:52:17,959 INFO L158 Benchmark]: TraceAbstraction took 1902.87ms. Allocated memory is still 237.0MB. Free memory was 145.7MB in the beginning and 177.0MB in the end (delta: -31.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:17,959 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 237.0MB. Free memory is still 177.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:17,962 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 167.8MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.24ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 103.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.20ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 99.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.20ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 97.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1340.20ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 97.3MB in the beginning and 145.7MB in the end (delta: -48.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1902.87ms. Allocated memory is still 237.0MB. Free memory was 145.7MB in the beginning and 177.0MB in the end (delta: -31.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 237.0MB. Free memory is still 177.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseOr at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] double var_1_2 = 32.25; [L24] double var_1_3 = 16.5; [L25] unsigned char var_1_4 = 10; [L26] unsigned char var_1_5 = 100; [L27] unsigned char var_1_6 = 1; [L28] signed char var_1_7 = -5; [L29] unsigned char var_1_8 = 0; [L30] signed char var_1_9 = -10; [L31] signed short int var_1_10 = 64; [L32] unsigned short int var_1_11 = 0; [L33] float var_1_12 = 64.75; [L34] double var_1_13 = 5.4; [L35] float var_1_14 = 5.625; [L36] unsigned long int var_1_15 = 32; [L37] unsigned long int var_1_16 = 4; [L38] unsigned long int var_1_19 = 1622847904; [L39] unsigned long int var_1_20 = 1667052813; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_24 = 0; [L42] unsigned char var_1_25 = 0; [L43] double var_1_26 = 0.4; [L44] signed long int var_1_28 = 1; [L45] signed long int var_1_30 = 64; [L46] double var_1_31 = 255.5; [L47] double var_1_32 = 1.625; [L48] float var_1_36 = 7.1; [L49] unsigned long int var_1_39 = 256; [L50] unsigned long int var_1_40 = 256; [L51] unsigned short int last_1_var_1_11 = 0; [L52] float last_1_var_1_12 = 64.75; [L53] unsigned long int last_1_var_1_15 = 32; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L177] last_1_var_1_11 = var_1_11 [L178] last_1_var_1_12 = var_1_12 [L179] last_1_var_1_15 = var_1_15 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L135] var_1_2 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=33/2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=33/2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L137] var_1_3 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L139] var_1_4 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L141] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L142] var_1_5 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_5 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 >= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L144] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L145] var_1_6 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=0, var_1_9=-10] [L147] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=0, var_1_9=-10] [L148] var_1_8 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-10] [L150] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-10] [L151] var_1_9 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_9 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_9 >= -63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L153] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L154] var_1_13 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L156] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L157] var_1_14 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L159] var_1_19 = __VERIFIER_nondet_ulong() [L160] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L161] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L162] var_1_20 = __VERIFIER_nondet_ulong() [L163] CALL assume_abort_if_not(var_1_20 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_20 >= 1073741824) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L164] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L165] var_1_24 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L167] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L168] var_1_25 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L170] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L171] var_1_31 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=5, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=5, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L173] var_1_32 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=5, var_1_32=6, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=3, var_1_14=4, var_1_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=5, var_1_32=6, var_1_36=71/10, var_1_39=256, var_1_3=2, var_1_40=256, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=-5, var_1_8=1, var_1_9=-63] [L190] RET updateVariables() [L191] CALL step() [L57] unsigned long int stepLocal_1 = var_1_6 - last_1_var_1_15; [L58] EXPR last_1_var_1_11 ^ last_1_var_1_15 [L58] COND FALSE !(stepLocal_1 < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) [L63] COND TRUE \read(var_1_8) [L64] COND FALSE !(16u > ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L67] var_1_16 = var_1_20 [L70] COND FALSE !(((var_1_31 - var_1_32) + (var_1_14 / var_1_13)) < ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) [L81] var_1_40 = var_1_19 [L82] COND FALSE !((var_1_5 <= var_1_4) && var_1_8) [L89] COND TRUE (-8 * var_1_11) < var_1_4 [L90] var_1_7 = 1 [L95] COND TRUE \read(var_1_8) [L96] var_1_22 = (! (var_1_8 && var_1_24)) [L104] COND TRUE var_1_20 >= (var_1_5 / ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) [L105] var_1_26 = var_1_14 [L107] var_1_39 = var_1_19 [L108] COND TRUE 128 >= last_1_var_1_15 [L109] var_1_15 = (var_1_6 + (var_1_4 + var_1_11)) [L113] var_1_28 = var_1_4 [L114] COND TRUE var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L115] var_1_12 = var_1_14 [L117] COND FALSE !(\read(var_1_24)) [L120] COND FALSE !((10.8 + var_1_12) <= (- var_1_12)) [L123] unsigned char stepLocal_0 = var_1_4; [L124] COND FALSE !(-4 >= stepLocal_0) [L131] var_1_10 = var_1_4 [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1) [L182-L183] return (((((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1)) && ((var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (var_1_12 == ((float) var_1_14)) : 1)) && ((128 >= last_1_var_1_15) ? (var_1_15 == ((unsigned long int) (var_1_6 + (var_1_4 + var_1_11)))) : (var_1_15 == ((unsigned long int) var_1_7))) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=126, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=126, var_1_16=1073741824, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=1, var_1_24=0, var_1_25=1, var_1_26=4, var_1_28=126, var_1_30=64, var_1_31=5, var_1_32=6, var_1_36=71/10, var_1_39=1073741823, var_1_3=2, var_1_40=1073741823, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=126, var_1_11=0, var_1_12=4, var_1_13=3, var_1_14=4, var_1_15=126, var_1_16=1073741824, var_1_19=1073741823, var_1_1=32, var_1_20=1073741824, var_1_22=1, var_1_24=0, var_1_25=1, var_1_26=4, var_1_28=126, var_1_30=64, var_1_31=5, var_1_32=6, var_1_36=71/10, var_1_39=1073741823, var_1_3=2, var_1_40=1073741823, var_1_4=126, var_1_5=127, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 [2023-11-19 04:52:18,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ --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 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:20,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:20,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:52:20,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:20,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:20,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:20,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:20,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:20,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:20,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:20,874 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:20,874 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:20,875 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:20,876 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:20,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:20,877 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:20,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:20,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:20,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:20,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:20,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:20,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:20,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:20,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:20,883 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:52:20,883 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:52:20,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:52:20,884 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:20,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:20,885 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:20,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:20,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:52:20,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:20,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:20,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:20,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:20,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:20,889 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:52:20,889 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:52:20,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:20,890 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:20,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:20,891 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_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 [2023-11-19 04:52:21,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:21,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:21,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:21,385 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:21,386 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:21,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-19 04:52:24,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:25,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:25,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-19 04:52:25,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data/c6b245f1b/ee6a8dbd68b847e8b563b1e3cd5556b9/FLAGdc4304b16 [2023-11-19 04:52:25,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/data/c6b245f1b/ee6a8dbd68b847e8b563b1e3cd5556b9 [2023-11-19 04:52:25,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:25,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:25,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:25,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:25,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:25,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a51bf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25, skipping insertion in model container [2023-11-19 04:52:25,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:25,349 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_f0451093-2190-4fc4-a70f-985da8e04f1a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-19 04:52:25,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:25,462 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:25,483 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_f0451093-2190-4fc4-a70f-985da8e04f1a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-19 04:52:25,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:25,595 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:25,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25 WrapperNode [2023-11-19 04:52:25,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:25,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:25,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:25,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:25,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,679 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-19 04:52:25,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:25,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:25,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:25,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:25,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:25,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:25,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:25,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:25,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (1/1) ... [2023-11-19 04:52:25,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:25,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:25,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:25,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:52:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:52:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:52:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:25,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:25,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:38,796 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:38,805 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:38,805 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:52:38,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:38 BoogieIcfgContainer [2023-11-19 04:52:38,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:38,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:38,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:38,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:38,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:25" (1/3) ... [2023-11-19 04:52:38,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9994750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:38, skipping insertion in model container [2023-11-19 04:52:38,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:25" (2/3) ... [2023-11-19 04:52:38,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9994750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:38, skipping insertion in model container [2023-11-19 04:52:38,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:38" (3/3) ... [2023-11-19 04:52:38,820 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-19 04:52:38,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:38,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:38,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:38,896 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;@4441d49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:38,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:52:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 04:52:38,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:38,919 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:38,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:38,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:38,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1803369122, now seen corresponding path program 1 times [2023-11-19 04:52:38,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:52:38,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096832500] [2023-11-19 04:52:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:38,941 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 [2023-11-19 04:52:38,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:52:38,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:52:38,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:40,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:52:40,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:52:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2023-11-19 04:52:41,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:52:41,078 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:52:41,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096832500] [2023-11-19 04:52:41,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096832500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:41,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:41,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:52:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125033155] [2023-11-19 04:52:41,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:41,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:52:41,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:52:41,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:52:41,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:52:41,124 INFO L87 Difference]: Start difference. First operand has 82 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:52:41,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:41,186 INFO L93 Difference]: Finished difference Result 156 states and 273 transitions. [2023-11-19 04:52:41,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:52:41,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2023-11-19 04:52:41,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:41,200 INFO L225 Difference]: With dead ends: 156 [2023-11-19 04:52:41,200 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 04:52:41,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:52:41,210 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:41,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:52:41,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 04:52:41,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 04:52:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:52:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 118 transitions. [2023-11-19 04:52:41,258 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 118 transitions. Word has length 165 [2023-11-19 04:52:41,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:41,258 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 118 transitions. [2023-11-19 04:52:41,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:52:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2023-11-19 04:52:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 04:52:41,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:41,263 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:41,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 04:52:41,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:41,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:41,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:41,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1588714732, now seen corresponding path program 1 times [2023-11-19 04:52:41,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:52:41,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737929801] [2023-11-19 04:52:41,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:41,481 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 [2023-11-19 04:52:41,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:52:41,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:52:41,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:43,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:52:43,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:52:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:52:43,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:52:43,564 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:52:43,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737929801] [2023-11-19 04:52:43,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737929801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:43,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:43,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:43,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768056666] [2023-11-19 04:52:43,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:43,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:43,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:52:43,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:43,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:43,570 INFO L87 Difference]: Start difference. First operand 77 states and 118 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:52:46,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:48,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:48,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:48,049 INFO L93 Difference]: Finished difference Result 192 states and 292 transitions. [2023-11-19 04:52:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:48,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-19 04:52:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:48,130 INFO L225 Difference]: With dead ends: 192 [2023-11-19 04:52:48,130 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 04:52:48,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:48,133 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 57 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:48,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 233 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2023-11-19 04:52:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 04:52:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-11-19 04:52:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 80 states have internal predecessors, (106), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-19 04:52:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2023-11-19 04:52:48,158 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 165 [2023-11-19 04:52:48,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:48,159 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2023-11-19 04:52:48,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:52:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2023-11-19 04:52:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:52:48,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:48,164 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:48,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:52:48,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:48,393 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:48,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:48,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1103963316, now seen corresponding path program 1 times [2023-11-19 04:52:48,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:52:48,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317537943] [2023-11-19 04:52:48,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:48,395 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 [2023-11-19 04:52:48,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:52:48,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:52:48,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:50,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:52:50,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:52:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 384 proven. 12 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-19 04:52:51,710 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:52:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 04:52:53,102 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:52:53,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317537943] [2023-11-19 04:52:53,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317537943] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:52:53,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1349786914] [2023-11-19 04:52:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:53,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:52:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:52:53,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:52:53,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:52:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:56,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:52:56,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:52:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 352 proven. 60 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-11-19 04:52:59,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:00,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1349786914] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:53:00,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080528689] [2023-11-19 04:53:00,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:00,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:53:00,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:00,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:53:00,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0451093-2190-4fc4-a70f-985da8e04f1a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 04:53:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:02,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:53:02,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 374 proven. 114 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-19 04:53:08,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:09,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080528689] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:53:09,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-19 04:53:09,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 9] total 13 [2023-11-19 04:53:09,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391414323] [2023-11-19 04:53:09,044 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-19 04:53:09,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 04:53:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:53:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 04:53:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-19 04:53:09,048 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 4 states have call successors, (68), 4 states have call predecessors, (68), 7 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71)