./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E --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 ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:36:03,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:36:03,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:36:03,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:36:03,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:36:03,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:36:03,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:36:03,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:36:03,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:36:03,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:36:03,390 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:36:03,391 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:36:03,391 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:36:03,391 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:36:03,391 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:36:03,391 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:36:03,392 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:36:03,392 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:36:03,392 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:36:03,392 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:36:03,392 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:36:03,393 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:36:03,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:36:03,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:36:03,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:36:03,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:36:03,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:36:03,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:36:03,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:36:03,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:36:03,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:36:03,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:36:03,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:36:03,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:36:03,396 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:36:03,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:36:03,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:36:03,396 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:36:03,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:36:03,397 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E 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 -> ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 [2024-11-13 23:36:03,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:36:03,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:36:03,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:36:03,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:36:03,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:36:03,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i Unable to find full path for "g++" [2024-11-13 23:36:05,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:36:06,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:36:06,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i [2024-11-13 23:36:06,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data/57418bfcb/065ab82fbbb141bca2860998e1d8ca91/FLAG199076ec4 [2024-11-13 23:36:06,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data/57418bfcb/065ab82fbbb141bca2860998e1d8ca91 [2024-11-13 23:36:06,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:36:06,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:36:06,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:36:06,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:36:06,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:36:06,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325e910f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06, skipping insertion in model container [2024-11-13 23:36:06,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:36:06,426 WARN L250 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_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2024-11-13 23:36:06,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:36:06,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:36:06,590 WARN L250 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_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2024-11-13 23:36:06,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:36:06,710 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:36:06,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06 WrapperNode [2024-11-13 23:36:06,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:36:06,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:36:06,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:36:06,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:36:06,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,800 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 259 [2024-11-13 23:36:06,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:36:06,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:36:06,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:36:06,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:36:06,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:36:06,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:36:06,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:36:06,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:36:06,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (1/1) ... [2024-11-13 23:36:06,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:36:06,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:36:06,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:36:06,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:36:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:36:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:36:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:36:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:36:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:36:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:36:07,082 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:36:07,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:36:07,860 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 23:36:07,860 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:36:08,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:36:08,470 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:36:08,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:08 BoogieIcfgContainer [2024-11-13 23:36:08,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:36:08,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:36:08,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:36:08,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:36:08,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:36:06" (1/3) ... [2024-11-13 23:36:08,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b864008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:36:08, skipping insertion in model container [2024-11-13 23:36:08,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:06" (2/3) ... [2024-11-13 23:36:08,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b864008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:36:08, skipping insertion in model container [2024-11-13 23:36:08,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:08" (3/3) ... [2024-11-13 23:36:08,485 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-1.i [2024-11-13 23:36:08,506 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:36:08,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-1.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:36:08,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:36:08,608 INFO L333 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, 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;@16fdc5c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:36:08,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:36:08,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 23:36:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 23:36:08,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:08,629 INFO L215 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:08,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:36:08,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:08,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1136452040, now seen corresponding path program 1 times [2024-11-13 23:36:08,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:08,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240123279] [2024-11-13 23:36:08,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:08,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:36:09,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595144524] [2024-11-13 23:36:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:09,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:36:09,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:36:09,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:36:09,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:36:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:36:10,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:36:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:36:11,494 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:36:11,496 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:36:11,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:36:11,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:11,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:36:11,704 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:36:11,866 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:36:11,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:36:11 BoogieIcfgContainer [2024-11-13 23:36:11,872 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:36:11,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:36:11,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:36:11,874 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:36:11,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:08" (3/4) ... [2024-11-13 23:36:11,877 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:36:11,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:36:11,882 INFO L158 Benchmark]: Toolchain (without parser) took 5711.07ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.8MB in the beginning and 137.7MB in the end (delta: -44.9MB). Peak memory consumption was 190.3MB. Max. memory is 16.1GB. [2024-11-13 23:36:11,883 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:36:11,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.70ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 76.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:36:11,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.64ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 71.1MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:36:11,884 INFO L158 Benchmark]: Boogie Preprocessor took 77.45ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 68.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:36:11,884 INFO L158 Benchmark]: RCFGBuilder took 1591.40ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.7MB in the beginning and 264.2MB in the end (delta: -195.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 23:36:11,889 INFO L158 Benchmark]: TraceAbstraction took 3396.81ms. Allocated memory is still 352.3MB. Free memory was 263.6MB in the beginning and 138.3MB in the end (delta: 125.3MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-11-13 23:36:11,890 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 352.3MB. Free memory was 138.3MB in the beginning and 137.7MB in the end (delta: 568.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:36:11,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.70ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 76.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.64ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 71.1MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.45ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 68.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1591.40ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.7MB in the beginning and 264.2MB in the end (delta: -195.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3396.81ms. Allocated memory is still 352.3MB. Free memory was 263.6MB in the beginning and 138.3MB in the end (delta: 125.3MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 352.3MB. Free memory was 138.3MB in the beginning and 137.7MB in the end (delta: 568.0kB). 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 someBinaryArithmeticDOUBLEoperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of someBinaryFLOATComparisonOperation at line 196, overapproximation of someBinaryFLOATComparisonOperation at line 153, overapproximation of bitwiseOr at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of someBinaryDOUBLEComparisonOperation at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 166, overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of someBinaryDOUBLEComparisonOperation at line 169, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 189, overapproximation of someBinaryDOUBLEComparisonOperation at line 147, overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of someBinaryDOUBLEComparisonOperation at line 167, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] unsigned char var_1_8 = 0; [L26] double var_1_9 = 63.39; [L27] double var_1_11 = 10000000.75; [L28] double var_1_12 = 2.75; [L29] double var_1_13 = 2.5; [L30] float var_1_14 = 3.75; [L31] float var_1_15 = 32.75; [L32] float var_1_16 = 25.5; [L33] unsigned char var_1_17 = 128; [L34] unsigned char var_1_18 = 200; [L35] unsigned char var_1_19 = 8; [L36] unsigned char var_1_20 = 100; [L37] double var_1_21 = 63.5; [L38] double var_1_22 = 999999999.5; [L39] unsigned char var_1_23 = 0; [L40] unsigned char var_1_24 = 1; [L41] unsigned long int var_1_25 = 16; [L42] unsigned long int var_1_26 = 2609671570; [L43] unsigned long int var_1_27 = 100; [L44] unsigned long int var_1_29 = 1837258641; [L45] signed long int var_1_30 = -64; [L46] unsigned char var_1_31 = 128; [L47] unsigned char var_1_32 = 5; [L48] signed short int var_1_34 = 100; [L49] signed long int var_1_35 = 8; [L50] double var_1_36 = 63.6; [L51] double var_1_37 = 1.6; [L52] double var_1_38 = 32.2; [L53] double var_1_39 = 2.25; [L54] unsigned char last_1_var_1_24 = 1; [L55] signed short int last_1_var_1_34 = 100; [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L192] last_1_var_1_24 = var_1_24 [L193] last_1_var_1_34 = var_1_34 [L203] RET updateLastVariables() [L204] CALL updateVariables() [L137] var_1_6 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_7=0, var_1_8=0, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_7=0, var_1_8=0, var_1_9=6339/100] [L139] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=6339/100] [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_8=0, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_8=0, var_1_9=6339/100] [L142] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=6339/100] [L143] var_1_8 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L145] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_11=40000003/4, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L146] var_1_11 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_12=11/4, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L148] var_1_12 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_13=5/2, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L150] var_1_13 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_15=131/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L152] var_1_15 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_16=51/2, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L154] var_1_16 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=200, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L156] var_1_18 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_18 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_18 >= 190) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L158] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=8, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L159] var_1_19 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L161] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=100, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L162] var_1_20 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L164] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_21=127/2, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L165] var_1_21 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L167] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_22=1999999999/2, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L168] var_1_22 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L170] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2609671570, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L171] var_1_26 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_26 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 >= 2147483647) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L173] CALL assume_abort_if_not(var_1_26 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_26 <= 4294967294) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=1837258641, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L174] var_1_29 = __VERIFIER_nondet_ulong() [L175] CALL assume_abort_if_not(var_1_29 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_29 >= 1073741823) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L176] CALL assume_abort_if_not(var_1_29 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_29 <= 2147483647) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=128, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L177] var_1_31 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_31 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_31 >= 127) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L179] CALL assume_abort_if_not(var_1_31 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_31 <= 255) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=5, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L180] var_1_32 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L182] CALL assume_abort_if_not(var_1_32 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_32 <= 126) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L183] CALL assume_abort_if_not(var_1_32 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_32 != 127) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_37=8/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L184] var_1_37 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_38=161/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L186] var_1_38 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_39=9/4, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L188] var_1_39 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_39 >= -922337.2036854765600e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_39 >= -922337.2036854765600e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_14=15/4, var_1_17=128, var_1_18=-2, var_1_19=260, var_1_1=0, var_1_20=-256, var_1_23=0, var_1_24=1, var_1_25=16, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=-64, var_1_31=227, var_1_32=126, var_1_34=100, var_1_35=8, var_1_36=318/5, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L204] RET updateVariables() [L205] CALL step() [L59] signed long int stepLocal_6 = last_1_var_1_24; [L60] COND FALSE !((((((var_1_19 / 2)) < (var_1_26)) ? ((var_1_19 / 2)) : (var_1_26))) <= stepLocal_6) [L63] var_1_14 = (var_1_15 + var_1_16) [L64] COND FALSE !(((- 16.1) + var_1_14) >= (var_1_11 - var_1_12)) [L67] COND TRUE var_1_9 <= (- 0.19999999999999996) [L68] COND FALSE !(\read(var_1_6)) [L71] var_1_24 = (var_1_18 - 1) [L74] signed long int stepLocal_7 = 256; [L75] COND FALSE !(var_1_9 <= var_1_13) [L78] COND TRUE (var_1_20 / var_1_32) < stepLocal_7 [L79] var_1_36 = var_1_39 [L82] COND FALSE !((var_1_12 - var_1_11) >= 3.4) [L85] COND TRUE (var_1_15 / ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) <= (var_1_36 / var_1_22) [L86] var_1_17 = var_1_20 [L89] COND TRUE var_1_36 <= (var_1_36 * var_1_16) [L90] var_1_23 = ((! (500.1f >= var_1_36)) && (var_1_6 && var_1_7)) [L94] signed long int stepLocal_3 = 100 % (var_1_31 - var_1_32); [L95] unsigned char stepLocal_2 = var_1_8; [L96] COND TRUE var_1_18 != stepLocal_3 [L97] COND FALSE !(var_1_21 < ((((- var_1_22) < 0 ) ? -(- var_1_22) : (- var_1_22)))) [L102] var_1_30 = var_1_35 [L105] unsigned char stepLocal_5 = var_1_6; [L106] signed long int stepLocal_4 = var_1_30; [L107] COND FALSE !(var_1_17 > stepLocal_4) [L112] var_1_34 = var_1_35 [L114] unsigned char stepLocal_0 = var_1_34 <= var_1_20; [L115] COND FALSE !(stepLocal_0 || (var_1_15 == var_1_9)) [L118] var_1_25 = var_1_34 [L120] unsigned long int stepLocal_1 = var_1_25; [L121] COND FALSE !(stepLocal_1 == ((var_1_25 + var_1_34) * (var_1_19 / var_1_18))) [L124] COND TRUE var_1_34 <= var_1_25 [L125] EXPR var_1_25 ^ var_1_24 [L125] EXPR var_1_34 ^ (var_1_25 ^ var_1_24) [L125] COND FALSE !((var_1_34 ^ (var_1_25 ^ var_1_24)) < var_1_35) [L128] COND FALSE !(\read(var_1_6)) [L131] var_1_1 = var_1_8 [L205] RET step() [L206] CALL, EXPR property() [L196] EXPR (var_1_34 <= var_1_25) ? (((var_1_34 ^ (var_1_25 ^ var_1_24)) < var_1_35) ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : (var_1_6 ? (var_1_1 == ((unsigned char) var_1_8)) : (var_1_1 == ((unsigned char) var_1_8)))) : 1 [L196] EXPR var_1_25 ^ var_1_24 [L196] EXPR var_1_34 ^ (var_1_25 ^ var_1_24) [L196] EXPR (var_1_34 <= var_1_25) ? (((var_1_34 ^ (var_1_25 ^ var_1_24)) < var_1_35) ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : (var_1_6 ? (var_1_1 == ((unsigned char) var_1_8)) : (var_1_1 == ((unsigned char) var_1_8)))) : 1 [L196-L197] return ((((((((((((var_1_34 <= var_1_25) ? (((var_1_34 ^ (var_1_25 ^ var_1_24)) < var_1_35) ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : (var_1_6 ? (var_1_1 == ((unsigned char) var_1_8)) : (var_1_1 == ((unsigned char) var_1_8)))) : 1) && ((((- 16.1) + var_1_14) >= (var_1_11 - var_1_12)) ? (var_1_9 == ((double) var_1_13)) : 1)) && (var_1_14 == ((float) (var_1_15 + var_1_16)))) && (((var_1_12 - var_1_11) >= 3.4) ? (var_1_17 == ((unsigned char) ((var_1_18 - var_1_19) - var_1_20))) : (((var_1_15 / ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) <= (var_1_36 / var_1_22)) ? (var_1_17 == ((unsigned char) var_1_20)) : 1))) && ((var_1_36 <= (var_1_36 * var_1_16)) ? (var_1_23 == ((unsigned char) ((! (500.1f >= var_1_36)) && (var_1_6 && var_1_7)))) : (var_1_23 == ((unsigned char) (var_1_7 || var_1_6))))) && ((var_1_9 <= (- 0.19999999999999996)) ? (var_1_6 ? (var_1_24 == ((unsigned char) ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) : (var_1_24 == ((unsigned char) (var_1_18 - 1)))) : 1)) && (((var_1_34 <= var_1_20) || (var_1_15 == var_1_9)) ? (var_1_25 == ((unsigned long int) (var_1_26 - var_1_34))) : (var_1_25 == ((unsigned long int) var_1_34)))) && ((var_1_25 == ((var_1_25 + var_1_34) * (var_1_19 / var_1_18))) ? (var_1_27 == ((unsigned long int) ((var_1_29 - var_1_34) + var_1_35))) : 1)) && ((var_1_18 != (100 % (var_1_31 - var_1_32))) ? ((var_1_21 < ((((- var_1_22) < 0 ) ? -(- var_1_22) : (- var_1_22)))) ? ((var_1_23 && var_1_8) ? (var_1_30 == ((signed long int) (((((var_1_24 - var_1_24)) < (var_1_32)) ? ((var_1_24 - var_1_24)) : (var_1_32))))) : 1) : (var_1_30 == ((signed long int) var_1_35))) : 1)) && ((var_1_17 > var_1_30) ? (((var_1_31 <= var_1_17) || var_1_6) ? (var_1_34 == ((signed short int) (var_1_20 - var_1_18))) : 1) : (var_1_34 == ((signed short int) var_1_35)))) && (((((((var_1_19 / 2)) < (var_1_26)) ? ((var_1_19 / 2)) : (var_1_26))) <= last_1_var_1_24) ? (var_1_35 == ((signed long int) (last_1_var_1_34 + ((((var_1_20) < (var_1_32)) ? (var_1_20) : (var_1_32)))))) : 1)) && ((var_1_9 <= var_1_13) ? (var_1_36 == ((double) (var_1_37 - var_1_38))) : (((var_1_20 / var_1_32) < 256) ? (var_1_36 == ((double) var_1_39)) : 1)) ; [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_13=0, var_1_17=-256, var_1_18=-2, var_1_19=260, var_1_1=-255, var_1_20=-256, var_1_23=0, var_1_24=253, var_1_25=8, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=8, var_1_31=227, var_1_32=126, var_1_34=8, var_1_35=8, var_1_36=2, var_1_39=2, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] [L19] reach_error() VAL [isInitial=1, last_1_var_1_24=1, last_1_var_1_34=100, var_1_13=0, var_1_17=-256, var_1_18=-2, var_1_19=260, var_1_1=-255, var_1_20=-256, var_1_23=0, var_1_24=253, var_1_25=8, var_1_26=2147483647, var_1_27=100, var_1_29=-3221225473, var_1_30=8, var_1_31=227, var_1_32=126, var_1_34=8, var_1_35=8, var_1_36=2, var_1_39=2, var_1_6=0, var_1_7=0, var_1_8=-255, var_1_9=6339/100] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 33, 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=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 2 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 [2024-11-13 23:36:11,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E --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 ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:36:14,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:36:14,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:36:14,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:36:14,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:36:15,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:36:15,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:36:15,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:36:15,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:36:15,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:36:15,010 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:36:15,010 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:36:15,010 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:36:15,010 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:36:15,010 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:36:15,010 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:36:15,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:36:15,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:36:15,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:36:15,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:36:15,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:36:15,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:36:15,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:36:15,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:36:15,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:36:15,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:36:15,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:36:15,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:36:15,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:36:15,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:36:15,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:36:15,016 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:36:15,016 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:15,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:36:15,017 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:36:15,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E 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 -> ecbd2e76b09c20f709f57c97db51ca614252d67d1b8bd7f07a2fbe2befdf8756 [2024-11-13 23:36:15,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:36:15,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:36:15,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:36:15,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:36:15,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:36:15,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i Unable to find full path for "g++" [2024-11-13 23:36:17,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:36:17,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:36:17,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i [2024-11-13 23:36:17,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data/bcd67cfed/34863e28c36a4fc6896fa7003ceceec9/FLAGebd16b65d [2024-11-13 23:36:17,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/data/bcd67cfed/34863e28c36a4fc6896fa7003ceceec9 [2024-11-13 23:36:17,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:36:17,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:36:17,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:36:17,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:36:17,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:36:17,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:17" (1/1) ... [2024-11-13 23:36:17,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa230a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:17, skipping insertion in model container [2024-11-13 23:36:17,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:17" (1/1) ... [2024-11-13 23:36:17,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:36:17,992 WARN L250 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_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2024-11-13 23:36:18,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:36:18,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:36:18,187 WARN L250 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_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-1.i[915,928] [2024-11-13 23:36:18,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:36:18,254 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:36:18,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18 WrapperNode [2024-11-13 23:36:18,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:36:18,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:36:18,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:36:18,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:36:18,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,318 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2024-11-13 23:36:18,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:36:18,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:36:18,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:36:18,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:36:18,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:36:18,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:36:18,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:36:18,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:36:18,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (1/1) ... [2024-11-13 23:36:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:36:18,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:36:18,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:36:18,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:36:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:36:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:36:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:36:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:36:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:36:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:36:18,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:36:18,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:36:33,410 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 23:36:33,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:36:33,423 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:36:33,423 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:36:33,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:33 BoogieIcfgContainer [2024-11-13 23:36:33,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:36:33,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:36:33,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:36:33,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:36:33,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:36:17" (1/3) ... [2024-11-13 23:36:33,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17383ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:36:33, skipping insertion in model container [2024-11-13 23:36:33,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:18" (2/3) ... [2024-11-13 23:36:33,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17383ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:36:33, skipping insertion in model container [2024-11-13 23:36:33,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:33" (3/3) ... [2024-11-13 23:36:33,435 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-1.i [2024-11-13 23:36:33,450 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:36:33,452 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-1.i that has 2 procedures, 97 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:36:33,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:36:33,552 INFO L333 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, 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;@3c316062, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:36:33,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:36:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 62 states have internal predecessors, (85), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 23:36:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-13 23:36:33,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:33,580 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:33,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:36:33,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:33,587 INFO L85 PathProgramCache]: Analyzing trace with hash 60691087, now seen corresponding path program 1 times [2024-11-13 23:36:33,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:36:33,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268826585] [2024-11-13 23:36:33,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:33,628 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 [2024-11-13 23:36:33,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:36:33,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-13 23:36:33,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:36:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:36,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:36:36,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2024-11-13 23:36:36,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:36:36,165 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:36:36,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268826585] [2024-11-13 23:36:36,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268826585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:36,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:36,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:36:36,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271834274] [2024-11-13 23:36:36,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:36,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:36:36,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:36:36,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:36:36,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:36:36,195 INFO L87 Difference]: Start difference. First operand has 97 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 62 states have internal predecessors, (85), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-13 23:36:36,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:36,228 INFO L93 Difference]: Finished difference Result 187 states and 329 transitions. [2024-11-13 23:36:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:36:36,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 211 [2024-11-13 23:36:36,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:36,238 INFO L225 Difference]: With dead ends: 187 [2024-11-13 23:36:36,238 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 23:36:36,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:36:36,245 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:36,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:36:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 23:36:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-13 23:36:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 58 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 23:36:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 144 transitions. [2024-11-13 23:36:36,297 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 144 transitions. Word has length 211 [2024-11-13 23:36:36,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:36,297 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 144 transitions. [2024-11-13 23:36:36,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-13 23:36:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2024-11-13 23:36:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-13 23:36:36,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:36,302 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:36,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 23:36:36,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:36:36,503 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:36:36,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:36,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1872391135, now seen corresponding path program 1 times [2024-11-13 23:36:36,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:36:36,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774725256] [2024-11-13 23:36:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:36,505 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 [2024-11-13 23:36:36,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:36:36,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-13 23:36:36,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:36:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:39,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:36:39,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-13 23:36:48,596 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:36:48,596 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:36:48,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774725256] [2024-11-13 23:36:48,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774725256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:48,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:48,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:36:48,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248485145] [2024-11-13 23:36:48,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:48,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:36:48,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:36:48,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:36:48,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:36:48,601 INFO L87 Difference]: Start difference. First operand 93 states and 144 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:36:51,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:36:53,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:36:55,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:36:57,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:36:57,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:57,917 INFO L93 Difference]: Finished difference Result 273 states and 426 transitions. [2024-11-13 23:36:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:36:58,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-11-13 23:36:58,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:58,173 INFO L225 Difference]: With dead ends: 273 [2024-11-13 23:36:58,174 INFO L226 Difference]: Without dead ends: 183 [2024-11-13 23:36:58,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:36:58,176 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 37 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:58,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 418 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 9.1s Time] [2024-11-13 23:36:58,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-13 23:36:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 181. [2024-11-13 23:36:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 112 states have (on average 1.3482142857142858) internal successors, (151), 112 states have internal predecessors, (151), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-13 23:36:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 283 transitions. [2024-11-13 23:36:58,228 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 283 transitions. Word has length 211 [2024-11-13 23:36:58,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:58,230 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 283 transitions. [2024-11-13 23:36:58,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:36:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 283 transitions. [2024-11-13 23:36:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 23:36:58,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:58,236 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:58,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:36:58,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:36:58,437 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:36:58,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:58,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1294936757, now seen corresponding path program 1 times [2024-11-13 23:36:58,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:36:58,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294481433] [2024-11-13 23:36:58,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:58,439 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 [2024-11-13 23:36:58,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:36:58,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-13 23:36:58,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:37:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:01,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:37:01,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1265 proven. 108 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2024-11-13 23:37:14,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:37:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-13 23:37:18,360 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:37:18,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294481433] [2024-11-13 23:37:18,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [294481433] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 23:37:18,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:37:18,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-13 23:37:18,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130300842] [2024-11-13 23:37:18,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:37:18,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:37:18,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:37:18,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:37:18,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 23:37:18,365 INFO L87 Difference]: Start difference. First operand 181 states and 283 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:37:21,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:37:25,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:37:27,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:37:30,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:37:32,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:37:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:37:32,864 INFO L93 Difference]: Finished difference Result 445 states and 688 transitions. [2024-11-13 23:37:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:37:32,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-11-13 23:37:32,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:37:32,870 INFO L225 Difference]: With dead ends: 445 [2024-11-13 23:37:32,871 INFO L226 Difference]: Without dead ends: 267 [2024-11-13 23:37:32,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-13 23:37:32,874 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 63 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:37:32,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 387 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 5 Unknown, 0 Unchecked, 14.2s Time] [2024-11-13 23:37:32,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-13 23:37:32,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 263. [2024-11-13 23:37:32,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 162 states have (on average 1.3024691358024691) internal successors, (211), 164 states have internal predecessors, (211), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-13 23:37:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 403 transitions. [2024-11-13 23:37:32,952 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 403 transitions. Word has length 212 [2024-11-13 23:37:32,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:37:32,953 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 403 transitions. [2024-11-13 23:37:32,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:37:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 403 transitions. [2024-11-13 23:37:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 23:37:32,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:37:32,966 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:37:33,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-13 23:37:33,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:37:33,167 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:37:33,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:37:33,168 INFO L85 PathProgramCache]: Analyzing trace with hash -485590131, now seen corresponding path program 1 times [2024-11-13 23:37:33,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:37:33,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789957477] [2024-11-13 23:37:33,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:37:33,169 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 [2024-11-13 23:37:33,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:37:33,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-13 23:37:33,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 (5)] Waiting until timeout for monitored process [2024-11-13 23:37:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:36,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:37:36,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1438 proven. 93 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-13 23:37:55,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:38:16,008 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:38:16,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789957477] [2024-11-13 23:38:16,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789957477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:38:16,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [976558695] [2024-11-13 23:38:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:16,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:16,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:38:16,021 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:16,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:38:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:21,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:38:21,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 978 proven. 63 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2024-11-13 23:38:34,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:38:39,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [976558695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:38:39,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922936683] [2024-11-13 23:38:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:39,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:39,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:39,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:39,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 23:38:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:59,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:38:59,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1341 proven. 81 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-11-13 23:39:20,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:29,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922936683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:29,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:39:29,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 12] total 21 [2024-11-13 23:39:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423635318] [2024-11-13 23:39:29,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:39:29,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 23:39:29,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:39:29,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 23:39:29,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=558, Unknown=6, NotChecked=0, Total=812 [2024-11-13 23:39:29,314 INFO L87 Difference]: Start difference. First operand 263 states and 403 transitions. Second operand has 21 states, 21 states have (on average 5.0476190476190474) internal successors, (106), 19 states have internal predecessors, (106), 7 states have call successors, (45), 7 states have call predecessors, (45), 10 states have return successors, (47), 7 states have call predecessors, (47), 7 states have call successors, (47) [2024-11-13 23:40:32,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:34,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:36,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:40:38,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:40:40,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:42,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:44,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:46,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:48,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:40:50,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:52,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:54,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:56,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:58,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:40:58,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:58,678 INFO L93 Difference]: Finished difference Result 591 states and 859 transitions. [2024-11-13 23:40:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 23:40:58,985 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.0476190476190474) internal successors, (106), 19 states have internal predecessors, (106), 7 states have call successors, (45), 7 states have call predecessors, (45), 10 states have return successors, (47), 7 states have call predecessors, (47), 7 states have call successors, (47) Word has length 212 [2024-11-13 23:40:58,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:58,991 INFO L225 Difference]: With dead ends: 591 [2024-11-13 23:40:58,991 INFO L226 Difference]: Without dead ends: 331 [2024-11-13 23:40:58,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 51.3s TimeCoverageRelationStatistics Valid=368, Invalid=816, Unknown=6, NotChecked=0, Total=1190 [2024-11-13 23:40:58,994 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 225 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 89 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:58,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 486 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 635 Invalid, 14 Unknown, 0 Unchecked, 85.7s Time] [2024-11-13 23:40:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-13 23:40:59,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 311. [2024-11-13 23:40:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 198 states have (on average 1.2373737373737375) internal successors, (245), 200 states have internal predecessors, (245), 96 states have call successors, (96), 16 states have call predecessors, (96), 16 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-13 23:40:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 437 transitions. [2024-11-13 23:40:59,068 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 437 transitions. Word has length 212 [2024-11-13 23:40:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:59,071 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 437 transitions. [2024-11-13 23:40:59,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.0476190476190474) internal successors, (106), 19 states have internal predecessors, (106), 7 states have call successors, (45), 7 states have call predecessors, (45), 10 states have return successors, (47), 7 states have call predecessors, (47), 7 states have call successors, (47) [2024-11-13 23:40:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 437 transitions. [2024-11-13 23:40:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 23:40:59,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:59,080 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:59,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:40:59,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 23:40:59,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 (5)] Ended with exit code 0 [2024-11-13 23:40:59,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:40:59,681 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:40:59,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:59,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2014356294, now seen corresponding path program 1 times [2024-11-13 23:40:59,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:40:59,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252727085] [2024-11-13 23:40:59,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:59,683 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 [2024-11-13 23:40:59,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:40:59,687 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-13 23:40:59,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 (8)] Waiting until timeout for monitored process [2024-11-13 23:41:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:41:02,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:41:02,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:41:23,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1149 proven. 114 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2024-11-13 23:41:23,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:41:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-13 23:41:34,936 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:41:34,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252727085] [2024-11-13 23:41:34,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252727085] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 23:41:34,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:41:34,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-13 23:41:34,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117490350] [2024-11-13 23:41:34,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:41:34,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:41:34,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:41:34,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:41:34,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-13 23:41:34,938 INFO L87 Difference]: Start difference. First operand 311 states and 437 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:42:05,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:07,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:09,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:13,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:15,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:17,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:19,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:22,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:24,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:26,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:28,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:28,658 INFO L93 Difference]: Finished difference Result 752 states and 1065 transitions. [2024-11-13 23:42:28,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:42:28,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-11-13 23:42:28,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:28,672 INFO L225 Difference]: With dead ends: 752 [2024-11-13 23:42:28,672 INFO L226 Difference]: Without dead ends: 444 [2024-11-13 23:42:28,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-13 23:42:28,675 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 99 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 28 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:28,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 324 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 235 Invalid, 10 Unknown, 0 Unchecked, 51.6s Time] [2024-11-13 23:42:28,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-13 23:42:28,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 377. [2024-11-13 23:42:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 240 states have (on average 1.2291666666666667) internal successors, (295), 244 states have internal predecessors, (295), 118 states have call successors, (118), 18 states have call predecessors, (118), 18 states have return successors, (118), 114 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-13 23:42:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 531 transitions. [2024-11-13 23:42:28,758 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 531 transitions. Word has length 212 [2024-11-13 23:42:28,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:28,759 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 531 transitions. [2024-11-13 23:42:28,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:42:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 531 transitions. [2024-11-13 23:42:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 23:42:28,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:28,764 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:28,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 (8)] Ended with exit code 0 [2024-11-13 23:42:28,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:42:28,965 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:28,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1957097992, now seen corresponding path program 1 times [2024-11-13 23:42:28,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:28,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263273445] [2024-11-13 23:42:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:28,966 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 [2024-11-13 23:42:28,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:28,968 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-13 23:42:28,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 (9)] Waiting until timeout for monitored process [2024-11-13 23:42:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:32,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 23:42:32,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-13 23:42:32,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:42:32,472 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:42:32,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263273445] [2024-11-13 23:42:32,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263273445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:32,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:32,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:42:32,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345602484] [2024-11-13 23:42:32,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:32,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:42:32,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:42:32,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:42:32,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:42:32,474 INFO L87 Difference]: Start difference. First operand 377 states and 531 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:42:36,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:39,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:40,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:40,761 INFO L93 Difference]: Finished difference Result 903 states and 1271 transitions. [2024-11-13 23:42:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:42:40,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-11-13 23:42:40,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:40,780 INFO L225 Difference]: With dead ends: 903 [2024-11-13 23:42:40,784 INFO L226 Difference]: Without dead ends: 529 [2024-11-13 23:42:40,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:42:40,786 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 132 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:40,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 392 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-11-13 23:42:40,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-13 23:42:40,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 485. [2024-11-13 23:42:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 294 states have (on average 1.1802721088435375) internal successors, (347), 298 states have internal predecessors, (347), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 158 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-13 23:42:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 671 transitions. [2024-11-13 23:42:40,921 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 671 transitions. Word has length 212 [2024-11-13 23:42:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:40,922 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 671 transitions. [2024-11-13 23:42:40,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-13 23:42:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 671 transitions. [2024-11-13 23:42:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 23:42:40,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:40,927 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:40,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 (9)] Ended with exit code 0 [2024-11-13 23:42:41,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-13 23:42:41,128 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:41,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1205009668, now seen corresponding path program 1 times [2024-11-13 23:42:41,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:41,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9934794] [2024-11-13 23:42:41,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:41,131 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 [2024-11-13 23:42:41,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:41,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-13 23:42:41,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/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 (10)] Waiting until timeout for monitored process [2024-11-13 23:42:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:44,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 23:42:44,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1576 proven. 180 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-13 23:44:20,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:45:23,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:45:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9934794] [2024-11-13 23:45:23,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9934794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:45:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [761001772] [2024-11-13 23:45:23,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:23,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:45:23,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:45:23,804 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:45:23,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:45:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:28,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 23:45:28,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:46:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1448 proven. 141 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-11-13 23:46:35,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:56,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [761001772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:46:56,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348483614] [2024-11-13 23:46:56,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:46:56,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:46:56,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:46:56,638 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:46:56,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e9a17c-aaed-44a9-b20b-01b68e7b5c83/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 23:47:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:47:12,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 23:47:12,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1576 proven. 180 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-13 23:48:31,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:49:39,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348483614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:49:39,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:49:39,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 16, 22] total 49 [2024-11-13 23:49:39,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101409213] [2024-11-13 23:49:39,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:49:39,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-13 23:49:39,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:49:39,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-13 23:49:39,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=3818, Unknown=0, NotChecked=0, Total=4290 [2024-11-13 23:49:39,243 INFO L87 Difference]: Start difference. First operand 485 states and 671 transitions. Second operand has 50 states, 50 states have (on average 3.7) internal successors, (185), 49 states have internal predecessors, (185), 13 states have call successors, (82), 13 states have call predecessors, (82), 23 states have return successors, (83), 13 states have call predecessors, (83), 13 states have call successors, (83) [2024-11-13 23:51:02,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:51:04,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]