./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 3090961677c94988a83046f2eaa2a3ede8184fc6a7310dc94aff0923cdf09d53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:38,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:38,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:14:38,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:38,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:38,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:38,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:38,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:38,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:38,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:38,460 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:38,461 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:38,461 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:38,463 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:38,463 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:38,464 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:38,464 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:38,465 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:38,465 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:38,466 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:38,466 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:38,467 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:38,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:38,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:38,469 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:38,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:38,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:38,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:38,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:38,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:38,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:38,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:38,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:38,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:38,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:38,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:38,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:38,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:38,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:38,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:38,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:38,476 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:38,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:38,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:38,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:38,477 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:38,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:38,478 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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3090961677c94988a83046f2eaa2a3ede8184fc6a7310dc94aff0923cdf09d53 [2023-11-23 21:14:38,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:38,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:38,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:38,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:38,790 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:38,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i [2023-11-23 21:14:41,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:42,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:42,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i [2023-11-23 21:14:42,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data/b674dfc9d/b0fc61106ba744fd99fa4e1f322a36d2/FLAGff2c20b69 [2023-11-23 21:14:42,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data/b674dfc9d/b0fc61106ba744fd99fa4e1f322a36d2 [2023-11-23 21:14:42,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:42,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:42,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:42,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:42,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:42,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f97388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42, skipping insertion in model container [2023-11-23 21:14:42,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:42,511 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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i[915,928] [2023-11-23 21:14:42,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:42,618 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:42,633 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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i[915,928] [2023-11-23 21:14:42,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:42,712 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:42,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42 WrapperNode [2023-11-23 21:14:42,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:42,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:42,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:42,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:42,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,800 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2023-11-23 21:14:42,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:42,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:42,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:42,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:42,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:42,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:42,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:42,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:42,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:42,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:42,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:42,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:43,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:43,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:43,630 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:43,787 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:43,787 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:43,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:43 BoogieIcfgContainer [2023-11-23 21:14:43,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:43,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:43,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:43,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:43,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:42" (1/3) ... [2023-11-23 21:14:43,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ceb4173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:43, skipping insertion in model container [2023-11-23 21:14:43,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42" (2/3) ... [2023-11-23 21:14:43,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ceb4173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:43, skipping insertion in model container [2023-11-23 21:14:43,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:43" (3/3) ... [2023-11-23 21:14:43,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-96.i [2023-11-23 21:14:43,821 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:43,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:43,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:43,886 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;@610ebe3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:43,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:14:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:14:43,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:43,910 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:43,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:43,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:43,918 INFO L85 PathProgramCache]: Analyzing trace with hash -737655771, now seen corresponding path program 1 times [2023-11-23 21:14:43,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:43,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250200311] [2023-11-23 21:14:43,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:43,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:44,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:14:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:45,020 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:14:45,023 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:14:45,024 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:45,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:45,033 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:14:45,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:45,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:45 BoogieIcfgContainer [2023-11-23 21:14:45,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:45,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:45,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:45,196 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:45,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:43" (3/4) ... [2023-11-23 21:14:45,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:14:45,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:45,203 INFO L158 Benchmark]: Toolchain (without parser) took 2943.11ms. Allocated memory is still 136.3MB. Free memory was 97.8MB in the beginning and 70.0MB in the end (delta: 27.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,204 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:45,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.43ms. Allocated memory is still 136.3MB. Free memory was 97.5MB in the beginning and 83.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.69ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,208 INFO L158 Benchmark]: Boogie Preprocessor took 82.38ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,211 INFO L158 Benchmark]: RCFGBuilder took 887.89ms. Allocated memory is still 136.3MB. Free memory was 78.2MB in the beginning and 80.8MB in the end (delta: -2.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,212 INFO L158 Benchmark]: TraceAbstraction took 1401.30ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 70.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,213 INFO L158 Benchmark]: Witness Printer took 6.25ms. Allocated memory is still 136.3MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:45,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.43ms. Allocated memory is still 136.3MB. Free memory was 97.5MB in the beginning and 83.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.69ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.38ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 887.89ms. Allocated memory is still 136.3MB. Free memory was 78.2MB in the beginning and 80.8MB in the end (delta: -2.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1401.30ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 70.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 6.25ms. Allocated memory is still 136.3MB. Free memory is still 70.0MB. 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 135, overapproximation of someBinaryFLOATComparisonOperation at line 135, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int last_1_var_1_9 = 4; [L139] isInitial = 1 [L140] FCALL initially() [L141] int k_loop; [L142] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L142] COND TRUE k_loop < 1 [L143] CALL updateLastVariables() [L132] last_1_var_1_9 = var_1_9 [L143] RET updateLastVariables() [L144] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L90] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_8=-10, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L94] var_1_8 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L96] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L100] var_1_12 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L102] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L103] var_1_13 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L105] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L106] var_1_18 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L108] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L109] var_1_19 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L111] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L112] var_1_20 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L114] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L117] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L118] var_1_22 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L120] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L121] var_1_25 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L123] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L124] var_1_28 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L126] var_1_29 = __VERIFIER_nondet_double() [L127] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L128] var_1_30 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=50, var_1_18=125, var_1_19=126, var_1_1=16, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=4] [L144] RET updateVariables() [L145] CALL step() [L48] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) [L51] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) [L52] COND FALSE !(\read(var_1_4)) [L55] var_1_24 = (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)) [L57] var_1_31 = var_1_30 [L58] COND FALSE !(var_1_23 < var_1_23) [L69] var_1_1 = var_1_8 [L71] signed char stepLocal_0 = var_1_1; [L72] COND TRUE stepLocal_0 < (-1 - var_1_10) [L73] COND FALSE !(\read(var_1_24)) [L76] var_1_9 = ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23))))) [L81] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L84] var_1_27 = var_1_28 [L145] RET step() [L146] CALL, EXPR property() [L135-L136] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=5, var_1_18=125, var_1_19=126, var_1_1=-6, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=64320, var_1_28=64320, var_1_30=64319, var_1_31=64319, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=24589] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=4, var_1_12=49150, var_1_13=24589, var_1_17=5, var_1_18=125, var_1_19=126, var_1_1=-6, var_1_20=57, var_1_21=63, var_1_22=0, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=64320, var_1_28=64320, var_1_30=64319, var_1_31=64319, var_1_4=0, var_1_6=1, var_1_8=-6, var_1_9=24589] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 27, 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=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 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 21:14:45,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 3090961677c94988a83046f2eaa2a3ede8184fc6a7310dc94aff0923cdf09d53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:48,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:48,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:14:48,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:48,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:48,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:48,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:48,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:48,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:48,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:48,429 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:48,429 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:48,430 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:48,432 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:48,432 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:48,433 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:48,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:48,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:48,435 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:48,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:48,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:48,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:48,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:48,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:48,439 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:48,439 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:48,440 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:48,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:48,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:48,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:48,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:48,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:48,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:48,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:48,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:48,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:48,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:48,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:48,445 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:48,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:48,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:48,447 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:48,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:48,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:48,448 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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3090961677c94988a83046f2eaa2a3ede8184fc6a7310dc94aff0923cdf09d53 [2023-11-23 21:14:48,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:48,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:48,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:48,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:48,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:48,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i [2023-11-23 21:14:52,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:52,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:52,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i [2023-11-23 21:14:52,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data/cfcc1abce/e697a2d8078f40ea8f7ba48e63c2d234/FLAG94cca7144 [2023-11-23 21:14:52,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/data/cfcc1abce/e697a2d8078f40ea8f7ba48e63c2d234 [2023-11-23 21:14:52,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:52,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:52,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:52,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:52,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:52,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a67836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52, skipping insertion in model container [2023-11-23 21:14:52,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:52,833 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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i[915,928] [2023-11-23 21:14:52,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:52,908 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:52,921 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_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-96.i[915,928] [2023-11-23 21:14:52,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:52,972 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:52,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52 WrapperNode [2023-11-23 21:14:52,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:52,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:52,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:52,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:52,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,054 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-23 21:14:53,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:53,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:53,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:53,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:53,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:53,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:53,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:53,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:53,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:53,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:53,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:53,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:53,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:14:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:53,376 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:53,379 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:56,217 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:56,323 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:56,326 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:56,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:56 BoogieIcfgContainer [2023-11-23 21:14:56,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:56,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:56,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:56,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:56,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:52" (1/3) ... [2023-11-23 21:14:56,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc38e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:56, skipping insertion in model container [2023-11-23 21:14:56,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52" (2/3) ... [2023-11-23 21:14:56,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc38e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:56, skipping insertion in model container [2023-11-23 21:14:56,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:56" (3/3) ... [2023-11-23 21:14:56,342 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-96.i [2023-11-23 21:14:56,363 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:56,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:56,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:56,476 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;@5048404, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:56,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:14:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 21:14:56,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:56,512 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:56,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:56,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:56,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1347259451, now seen corresponding path program 1 times [2023-11-23 21:14:56,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:56,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755674608] [2023-11-23 21:14:56,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:56,542 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 21:14:56,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:56,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:14:56,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:14:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:57,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:14:57,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-11-23 21:14:57,161 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:57,162 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:57,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755674608] [2023-11-23 21:14:57,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755674608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:57,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:57,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:57,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335679798] [2023-11-23 21:14:57,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:57,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:14:57,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:57,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:14:57,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:57,227 INFO L87 Difference]: Start difference. First operand has 67 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:14:58,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:58,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:58,807 INFO L93 Difference]: Finished difference Result 130 states and 230 transitions. [2023-11-23 21:14:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:14:58,810 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 163 [2023-11-23 21:14:58,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:58,821 INFO L225 Difference]: With dead ends: 130 [2023-11-23 21:14:58,821 INFO L226 Difference]: Without dead ends: 62 [2023-11-23 21:14:58,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 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 21:14:58,830 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:58,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 21:14:58,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-23 21:14:58,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-23 21:14:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:14:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2023-11-23 21:14:58,894 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 163 [2023-11-23 21:14:58,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:58,894 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2023-11-23 21:14:58,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:14:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2023-11-23 21:14:58,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 21:14:58,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:58,900 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:58,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:59,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:14:59,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:59,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1704377665, now seen corresponding path program 1 times [2023-11-23 21:14:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:59,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865673571] [2023-11-23 21:14:59,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:59,116 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 21:14:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:59,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:14:59,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:14:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:59,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:14:59,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:15:00,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:00,467 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:00,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865673571] [2023-11-23 21:15:00,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865673571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:00,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:00,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:00,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002071608] [2023-11-23 21:15:00,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:00,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:15:00,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:00,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:15:00,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:15:00,473 INFO L87 Difference]: Start difference. First operand 62 states and 93 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:15:01,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:04,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:06,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:08,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:08,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:08,341 INFO L93 Difference]: Finished difference Result 185 states and 278 transitions. [2023-11-23 21:15:08,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:15:08,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 163 [2023-11-23 21:15:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:08,346 INFO L225 Difference]: With dead ends: 185 [2023-11-23 21:15:08,347 INFO L226 Difference]: Without dead ends: 124 [2023-11-23 21:15:08,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:15:08,353 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 45 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 55 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:08,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 259 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2023-11-23 21:15:08,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-23 21:15:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 110. [2023-11-23 21:15:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 53 states have internal predecessors, (59), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-23 21:15:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 167 transitions. [2023-11-23 21:15:08,447 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 167 transitions. Word has length 163 [2023-11-23 21:15:08,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:08,449 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 167 transitions. [2023-11-23 21:15:08,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:15:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 167 transitions. [2023-11-23 21:15:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 21:15:08,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:08,459 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:08,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:15:08,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:15:08,660 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:08,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:08,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1889525053, now seen corresponding path program 1 times [2023-11-23 21:15:08,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:08,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177449073] [2023-11-23 21:15:08,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:08,662 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 21:15:08,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:08,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:15:08,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87f2d74-071a-4613-ae42-c5e4bf1c1b0a/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 21:15:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:09,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-23 21:15:09,212 INFO L285 TraceCheckSpWp]: Computing forward predicates...