./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/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_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:27,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:27,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:21:27,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:27,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:27,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:27,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:27,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:27,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:27,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:27,867 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:27,869 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:27,870 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:27,875 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:27,876 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:27,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:27,878 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:27,878 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:27,879 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:27,879 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:27,880 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:27,880 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:27,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:27,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:27,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:27,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:27,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:27,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:27,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:27,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:27,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:27,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:27,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:27,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:27,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:27,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:27,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:27,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:27,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:27,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:27,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:27,899 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:27,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:27,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:27,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:27,901 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:27,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:27,901 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_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 [2023-11-23 21:21:28,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:28,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:28,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:28,290 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:28,291 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:28,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-23 21:21:31,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:31,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:31,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-23 21:21:31,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data/85111927c/b8e545c6c3e74b00b754618c7dba23eb/FLAGe2d7e2e0e [2023-11-23 21:21:31,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data/85111927c/b8e545c6c3e74b00b754618c7dba23eb [2023-11-23 21:21:31,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:31,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:31,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:31,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:31,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:31,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:31" (1/1) ... [2023-11-23 21:21:31,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579be726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:31, skipping insertion in model container [2023-11-23 21:21:31,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:31" (1/1) ... [2023-11-23 21:21:31,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:31,995 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_0ae34132-53ff-4b30-985f-640261ab7b2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-23 21:21:32,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:32,149 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:32,168 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_0ae34132-53ff-4b30-985f-640261ab7b2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-23 21:21:32,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:32,250 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:32,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32 WrapperNode [2023-11-23 21:21:32,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:32,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:32,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:32,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:32,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,333 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-23 21:21:32,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:32,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:32,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:32,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:32,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:32,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:32,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:32,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:32,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (1/1) ... [2023-11-23 21:21:32,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:32,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:32,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:32,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:32,643 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:32,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:33,286 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:33,771 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:33,771 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:33,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:33 BoogieIcfgContainer [2023-11-23 21:21:33,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:33,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:33,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:33,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:33,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:31" (1/3) ... [2023-11-23 21:21:33,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606c108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:33, skipping insertion in model container [2023-11-23 21:21:33,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:32" (2/3) ... [2023-11-23 21:21:33,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606c108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:33, skipping insertion in model container [2023-11-23 21:21:33,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:33" (3/3) ... [2023-11-23 21:21:33,783 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-23 21:21:33,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:33,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:33,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:33,870 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;@357fb8eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:33,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:33,875 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) [2023-11-23 21:21:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 21:21:33,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:33,889 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] [2023-11-23 21:21:33,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:33,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:33,895 INFO L85 PathProgramCache]: Analyzing trace with hash -298966335, now seen corresponding path program 1 times [2023-11-23 21:21:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:33,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085147047] [2023-11-23 21:21:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:34,173 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:21:34,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352178126] [2023-11-23 21:21:34,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:34,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:34,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:34,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:34,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:34,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:34,914 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:34,917 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:34,918 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:34,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:35,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:21:35,134 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:35,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:35,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:35 BoogieIcfgContainer [2023-11-23 21:21:35,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:35,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:35,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:35,309 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:35,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:33" (3/4) ... [2023-11-23 21:21:35,313 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:35,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:35,315 INFO L158 Benchmark]: Toolchain (without parser) took 3601.31ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 79.6MB in the end (delta: 41.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-11-23 21:21:35,316 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:35,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.93ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 105.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:21:35,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.91ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 101.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:21:35,318 INFO L158 Benchmark]: Boogie Preprocessor took 87.36ms. Allocated memory is still 151.0MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:35,319 INFO L158 Benchmark]: RCFGBuilder took 1351.65ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 77.9MB in the end (delta: 21.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-23 21:21:35,319 INFO L158 Benchmark]: TraceAbstraction took 1531.32ms. Allocated memory is still 151.0MB. Free memory was 77.9MB in the beginning and 80.6MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:35,320 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:35,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.93ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 105.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.91ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 101.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.36ms. Allocated memory is still 151.0MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1351.65ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 77.9MB in the end (delta: 21.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1531.32ms. Allocated memory is still 151.0MB. Free memory was 77.9MB in the beginning and 80.6MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 1.0MB). 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_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_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_40=256, 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_40=256, 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_40=256, var_1_4=2, 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_40=256, var_1_4=2, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, var_1_22=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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, var_1_22=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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_36=71/10, var_1_39=256, var_1_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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_15=32, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, 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_36=71/10, var_1_39=256, var_1_40=256, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=-5, var_1_8=0, 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 FALSE !(\read(var_1_8)) [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 FALSE !(\read(var_1_8)) [L98] COND TRUE var_1_19 <= (~ (var_1_15 % var_1_20)) [L99] var_1_22 = (! 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 FALSE !(var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) [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=2, var_1_11=0, var_1_12=259/4, var_1_14=2, var_1_15=2, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, var_1_22=1, var_1_24=0, var_1_25=1, var_1_26=2, var_1_28=2, var_1_30=64, var_1_36=71/10, var_1_39=1073741823, var_1_40=1073741823, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=1, var_1_8=0, 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=2, var_1_11=0, var_1_12=259/4, var_1_14=2, var_1_15=2, var_1_16=4, var_1_19=1073741823, var_1_1=32, var_1_20=1073741857, var_1_22=1, var_1_24=0, var_1_25=1, var_1_26=2, var_1_28=2, var_1_30=64, var_1_36=71/10, var_1_39=1073741823, var_1_40=1073741823, var_1_4=2, var_1_5=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 0.5s 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 [2023-11-23 21:21:35,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/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_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:38,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:38,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:21:38,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:38,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:38,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:38,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:38,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:38,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:38,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:38,269 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:38,270 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:38,270 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:38,271 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:38,272 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:38,272 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:38,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:38,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:38,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:38,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:38,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:38,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:38,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:38,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:38,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:38,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:21:38,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:21:38,280 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:38,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:38,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:38,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:38,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:21:38,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:38,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:38,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:38,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:38,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:38,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:38,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:21:38,288 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:38,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:38,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:38,289 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:38,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:38,290 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_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 [2023-11-23 21:21:38,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:38,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:38,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:38,787 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:38,788 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:38,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-23 21:21:42,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:42,343 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:42,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-23 21:21:42,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data/e11c685ac/06c5d71000624139838a57589a08347e/FLAG2870d0bcc [2023-11-23 21:21:42,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/data/e11c685ac/06c5d71000624139838a57589a08347e [2023-11-23 21:21:42,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:42,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:42,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:42,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:42,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:42,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:42,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12dd3d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42, skipping insertion in model container [2023-11-23 21:21:42,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:42,461 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:42,672 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_0ae34132-53ff-4b30-985f-640261ab7b2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-23 21:21:42,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:42,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:42,835 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_0ae34132-53ff-4b30-985f-640261ab7b2c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-11-23 21:21:42,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:42,956 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:42,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42 WrapperNode [2023-11-23 21:21:42,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:42,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:42,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:42,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:42,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,066 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-23 21:21:43,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:43,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:43,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:43,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:43,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:43,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:43,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:43,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:43,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (1/1) ... [2023-11-23 21:21:43,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:43,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:43,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:43,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:43,351 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:43,355 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:55,144 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:55,216 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:55,218 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:55,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:55 BoogieIcfgContainer [2023-11-23 21:21:55,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:55,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:55,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:55,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:55,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:42" (1/3) ... [2023-11-23 21:21:55,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7881593d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:55, skipping insertion in model container [2023-11-23 21:21:55,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:42" (2/3) ... [2023-11-23 21:21:55,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7881593d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:55, skipping insertion in model container [2023-11-23 21:21:55,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:55" (3/3) ... [2023-11-23 21:21:55,230 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-11-23 21:21:55,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:55,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:55,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:55,304 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;@6a659cf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:55,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 48 states have (on average 1.5) internal successors, (72), 49 states have internal predecessors, (72), 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) [2023-11-23 21:21:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-23 21:21:55,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:55,326 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] [2023-11-23 21:21:55,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:55,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:55,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1054986447, now seen corresponding path program 1 times [2023-11-23 21:21:55,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:55,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852559531] [2023-11-23 21:21:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:55,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:55,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:55,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:55,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:21:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:57,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:57,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-23 21:21:57,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:57,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:57,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852559531] [2023-11-23 21:21:57,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852559531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:57,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:57,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:57,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724175777] [2023-11-23 21:21:57,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:57,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:57,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:57,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:57,664 INFO L87 Difference]: Start difference. First operand has 76 states, 48 states have (on average 1.5) internal successors, (72), 49 states have internal predecessors, (72), 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2023-11-23 21:21:59,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:59,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:59,990 INFO L93 Difference]: Finished difference Result 148 states and 265 transitions. [2023-11-23 21:22:00,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:22:00,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 161 [2023-11-23 21:22:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:00,087 INFO L225 Difference]: With dead ends: 148 [2023-11-23 21:22:00,087 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:22:00,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:22:00,096 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:00,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:22:00,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:22:00,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:22:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 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) [2023-11-23 21:22:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2023-11-23 21:22:00,152 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 161 [2023-11-23 21:22:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:00,153 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2023-11-23 21:22:00,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2023-11-23 21:22:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2023-11-23 21:22:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-23 21:22:00,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:00,159 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] [2023-11-23 21:22:00,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:22:00,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:00,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:00,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:00,377 INFO L85 PathProgramCache]: Analyzing trace with hash -185015207, now seen corresponding path program 1 times [2023-11-23 21:22:00,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:00,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466369527] [2023-11-23 21:22:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:00,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:00,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:00,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:22:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:02,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:22:02,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:22:02,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:02,845 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:02,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466369527] [2023-11-23 21:22:02,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466369527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:02,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:02,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:02,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626650435] [2023-11-23 21:22:02,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:02,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:02,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:02,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:02,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:02,852 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2023-11-23 21:22:05,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:07,376 WARN L539 Checker$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 [] [2023-11-23 21:22:09,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:09,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:09,510 INFO L93 Difference]: Finished difference Result 184 states and 284 transitions. [2023-11-23 21:22:09,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:22:09,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 161 [2023-11-23 21:22:09,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:09,516 INFO L225 Difference]: With dead ends: 184 [2023-11-23 21:22:09,516 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 21:22:09,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:09,519 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 53 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:09,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 222 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2023-11-23 21:22:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 21:22:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2023-11-23 21:22:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 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) [2023-11-23 21:22:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 166 transitions. [2023-11-23 21:22:09,566 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 166 transitions. Word has length 161 [2023-11-23 21:22:09,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:09,571 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 166 transitions. [2023-11-23 21:22:09,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2023-11-23 21:22:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 166 transitions. [2023-11-23 21:22:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 21:22:09,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:09,585 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] [2023-11-23 21:22:09,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:09,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:09,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:09,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2035359379, now seen corresponding path program 1 times [2023-11-23 21:22:09,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:09,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433378411] [2023-11-23 21:22:09,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:09,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:09,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:09,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:09,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:22:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:11,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:22:11,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 384 proven. 12 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-23 21:22:13,437 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:22:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-23 21:22:15,069 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:15,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433378411] [2023-11-23 21:22:15,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433378411] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:22:15,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1686946161] [2023-11-23 21:22:15,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:15,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:15,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:22:15,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:22:15,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:22:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:19,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:22:19,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 352 proven. 60 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-11-23 21:22:22,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:22:23,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1686946161] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:22:23,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131911061] [2023-11-23 21:22:23,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:23,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:22:23,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:23,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:22:23,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae34132-53ff-4b30-985f-640261ab7b2c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:22:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:25,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:22:25,741 INFO L285 TraceCheckSpWp]: Computing forward predicates...