./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX --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 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:56,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:56,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:58:56,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:56,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:56,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:56,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:56,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:56,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:56,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:56,873 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:56,874 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:56,875 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:56,876 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:56,877 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:56,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:56,878 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:56,878 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:56,879 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:56,879 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:56,880 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:56,880 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:56,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:56,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:56,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:56,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:56,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:56,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:56,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:56,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:56,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:56,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:56,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:56,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:56,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:56,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:56,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:56,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:56,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:56,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:56,889 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:56,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:56,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:56,890 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:56,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:56,891 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f [2023-11-12 00:58:57,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:57,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:57,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:57,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:57,266 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:57,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2023-11-12 00:59:00,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:00,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:00,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2023-11-12 00:59:00,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data/d0fa329e5/6ac5c7199c60417f84332754ed8b32eb/FLAG9dfeff2e2 [2023-11-12 00:59:00,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data/d0fa329e5/6ac5c7199c60417f84332754ed8b32eb [2023-11-12 00:59:00,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:00,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:00,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:00,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:00,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:00,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:00" (1/1) ... [2023-11-12 00:59:00,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30519a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:00, skipping insertion in model container [2023-11-12 00:59:00,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:00" (1/1) ... [2023-11-12 00:59:00,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:01,067 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i[916,929] [2023-11-12 00:59:01,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:01,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:01,192 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i[916,929] [2023-11-12 00:59:01,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:01,274 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:01,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01 WrapperNode [2023-11-12 00:59:01,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:01,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:01,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:01,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:01,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,361 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2023-11-12 00:59:01,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:01,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:01,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:01,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:01,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:01,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:01,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:01,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:01,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (1/1) ... [2023-11-12 00:59:01,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:01,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:01,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:01,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:59:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:59:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:01,709 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:01,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:02,370 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:02,858 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:02,858 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:59:02,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:02 BoogieIcfgContainer [2023-11-12 00:59:02,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:02,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:02,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:02,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:02,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:00" (1/3) ... [2023-11-12 00:59:02,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478b08f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:02, skipping insertion in model container [2023-11-12 00:59:02,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:01" (2/3) ... [2023-11-12 00:59:02,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478b08f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:02, skipping insertion in model container [2023-11-12 00:59:02,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:02" (3/3) ... [2023-11-12 00:59:02,875 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-31.i [2023-11-12 00:59:02,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:02,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:59:02,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:02,978 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a010776, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:02,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:59:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:59:02,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-12 00:59:02,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:02,999 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:02,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:03,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:03,007 INFO L85 PathProgramCache]: Analyzing trace with hash -157287371, now seen corresponding path program 1 times [2023-11-12 00:59:03,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:03,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350314132] [2023-11-12 00:59:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:03,266 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:59:03,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433189669] [2023-11-12 00:59:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:03,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:59:03,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:03,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:59:03,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:59:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:59:04,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:59:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:59:04,667 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:59:04,669 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:59:04,670 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:59:04,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:04,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:59:04,884 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:59:04,888 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:59:05,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:59:05 BoogieIcfgContainer [2023-11-12 00:59:05,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:59:05,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:59:05,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:59:05,010 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:59:05,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:02" (3/4) ... [2023-11-12 00:59:05,015 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:59:05,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:59:05,018 INFO L158 Benchmark]: Toolchain (without parser) took 4208.43ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 90.6MB in the beginning and 120.6MB in the end (delta: -30.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:05,018 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:05,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.03ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 74.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:59:05,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.61ms. Allocated memory is still 136.3MB. Free memory was 74.0MB in the beginning and 69.1MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:59:05,026 INFO L158 Benchmark]: Boogie Preprocessor took 88.25ms. Allocated memory is still 136.3MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:59:05,027 INFO L158 Benchmark]: RCFGBuilder took 1409.82ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 66.5MB in the beginning and 106.4MB in the end (delta: -39.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-12 00:59:05,029 INFO L158 Benchmark]: TraceAbstraction took 2143.35ms. Allocated memory is still 174.1MB. Free memory was 105.3MB in the beginning and 121.6MB in the end (delta: -16.3MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-12 00:59:05,030 INFO L158 Benchmark]: Witness Printer took 6.70ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 120.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:59:05,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.03ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 74.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.61ms. Allocated memory is still 136.3MB. Free memory was 74.0MB in the beginning and 69.1MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.25ms. Allocated memory is still 136.3MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1409.82ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 66.5MB in the beginning and 106.4MB in the end (delta: -39.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2143.35ms. Allocated memory is still 174.1MB. Free memory was 105.3MB in the beginning and 121.6MB in the end (delta: -16.3MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 6.70ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 120.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 206, overapproximation of shiftRight at line 107, overapproximation of someUnaryDOUBLEoperation at line 46, overapproximation of someBinaryArithmeticDOUBLEoperation at line 98, overapproximation of bitwiseAnd at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 206. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned long int var_1_4 = 32; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 50; [L30] unsigned long int var_1_14 = 1000000000; [L31] unsigned short int var_1_15 = 10; [L32] unsigned short int var_1_16 = 39011; [L33] unsigned long int var_1_17 = 4; [L34] signed char var_1_18 = 4; [L35] signed char var_1_21 = 16; [L36] signed char var_1_22 = 64; [L37] signed long int var_1_23 = 8; [L38] unsigned char var_1_24 = 0; [L39] unsigned char var_1_25 = 0; [L40] unsigned char var_1_26 = 0; [L41] unsigned char var_1_27 = 0; [L42] double var_1_28 = 25.5; [L43] double var_1_29 = 255.25; [L44] double var_1_30 = 24.7; [L45] double var_1_31 = 31.2; [L46] float var_1_32 = -0.2; [L47] unsigned char var_1_33 = 10; [L48] float var_1_34 = 24.5; [L49] unsigned char last_1_var_1_7 = 0; [L50] unsigned short int last_1_var_1_15 = 10; [L51] unsigned long int last_1_var_1_17 = 4; [L52] signed long int last_1_var_1_23 = 8; [L53] unsigned char last_1_var_1_24 = 0; [L54] unsigned char last_1_var_1_33 = 10; [L210] isInitial = 1 [L211] FCALL initially() [L212] COND TRUE 1 [L213] CALL updateLastVariables() [L198] last_1_var_1_7 = var_1_7 [L199] last_1_var_1_15 = var_1_15 [L200] last_1_var_1_17 = var_1_17 [L201] last_1_var_1_23 = var_1_23 [L202] last_1_var_1_24 = var_1_24 [L203] last_1_var_1_33 = var_1_33 [L213] RET updateLastVariables() [L214] CALL updateVariables() [L156] var_1_4 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L158] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L159] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=1, var_1_7=0] [L160] var_1_6 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L162] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L163] var_1_10 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L165] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L166] var_1_11 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L168] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L169] var_1_12 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L171] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L172] var_1_16 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L174] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L175] var_1_21 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L177] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L178] var_1_22 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L180] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L181] var_1_25 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L183] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L184] var_1_26 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L186] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L187] var_1_27 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L189] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L190] var_1_29 = __VERIFIER_nondet_double() [L191] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L192] var_1_30 = __VERIFIER_nondet_double() [L193] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L194] var_1_31 = __VERIFIER_nondet_double() [L195] CALL assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=4, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=65534, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=126, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=4, var_1_33=10, var_1_34=49/2, var_1_4=4294967289, var_1_6=7, var_1_7=0] [L214] RET updateVariables() [L215] CALL step() [L58] signed long int stepLocal_8 = last_1_var_1_33; [L59] COND FALSE !(stepLocal_8 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) [L68] var_1_18 = var_1_21 [L70] COND FALSE !(! (! (last_1_var_1_7 && last_1_var_1_24))) [L77] var_1_15 = last_1_var_1_23 [L79] var_1_14 = (var_1_6 + var_1_15) [L80] unsigned char stepLocal_9 = last_1_var_1_7; [L81] COND TRUE ! last_1_var_1_24 [L82] COND FALSE !(stepLocal_9 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) [L85] var_1_24 = var_1_12 [L90] unsigned short int stepLocal_10 = var_1_15; [L91] COND TRUE stepLocal_10 < var_1_4 [L92] COND TRUE \read(var_1_24) [L93] var_1_28 = ((var_1_29 - var_1_30) + var_1_31) [L100] var_1_32 = var_1_29 [L101] var_1_33 = var_1_22 [L102] var_1_34 = var_1_29 [L103] unsigned char stepLocal_7 = var_1_12; [L104] EXPR last_1_var_1_15 & 16 [L104] signed long int stepLocal_6 = last_1_var_1_15 & 16; [L105] signed long int stepLocal_5 = last_1_var_1_15; [L106] COND FALSE !(last_1_var_1_15 < stepLocal_5) [L117] var_1_13 = var_1_6 [L119] unsigned char stepLocal_4 = var_1_24; [L120] unsigned long int stepLocal_3 = var_1_4; [L121] COND TRUE (var_1_24 && var_1_24) && stepLocal_4 [L122] COND TRUE stepLocal_3 == (- var_1_13) [L123] var_1_7 = (! (! (! var_1_10))) [L130] unsigned char stepLocal_2 = var_1_13 < var_1_4; [L131] signed long int stepLocal_1 = var_1_6 + var_1_15; [L132] unsigned long int stepLocal_0 = var_1_13 % var_1_4; [L133] COND FALSE !(stepLocal_0 >= var_1_15) [L138] COND TRUE stepLocal_1 > var_1_13 [L139] var_1_1 = var_1_6 [L144] COND FALSE !(var_1_14 < var_1_13) [L147] var_1_23 = var_1_18 [L149] COND FALSE !((var_1_4 <= var_1_18) && var_1_7) [L215] RET step() [L216] CALL, EXPR property() [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) [L206] EXPR (last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)) [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) [L206-L207] return ((((((((((((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)))) && (var_1_14 == ((unsigned long int) (var_1_6 + var_1_15)))) && ((! (! (last_1_var_1_7 && last_1_var_1_24))) ? (last_1_var_1_7 ? (var_1_15 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_23)) ? (last_1_var_1_33) : (last_1_var_1_23))))) : (var_1_15 == ((unsigned short int) (((((var_1_16 - var_1_6)) < (10)) ? ((var_1_16 - var_1_6)) : (10)))))) : (var_1_15 == ((unsigned short int) last_1_var_1_23)))) && (((var_1_4 <= var_1_18) && var_1_7) ? ((var_1_23 == var_1_1) ? (var_1_17 == ((unsigned long int) var_1_6)) : 1) : 1)) && ((last_1_var_1_33 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) ? (last_1_var_1_24 ? (var_1_18 == ((signed char) (var_1_21 - var_1_22))) : (var_1_11 ? (var_1_18 == ((signed char) var_1_22)) : 1)) : (var_1_18 == ((signed char) var_1_21)))) && ((var_1_14 < var_1_13) ? (var_1_23 == ((signed long int) (((((var_1_14 + var_1_16)) < ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128))))) ? ((var_1_14 + var_1_16)) : ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128)))))))) : (var_1_23 == ((signed long int) var_1_18)))) && ((! last_1_var_1_24) ? ((last_1_var_1_7 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) ? (var_1_24 == ((unsigned char) (var_1_10 || ((var_1_25 || var_1_26) || var_1_27)))) : (var_1_24 == ((unsigned char) var_1_12))) : (var_1_24 == ((unsigned char) var_1_12)))) && ((var_1_15 < var_1_4) ? (var_1_24 ? (var_1_28 == ((double) ((var_1_29 - var_1_30) + var_1_31))) : (var_1_28 == ((double) (4.75 + var_1_29)))) : (var_1_28 == ((double) (100.4 + var_1_30))))) && (var_1_32 == ((float) var_1_29))) && (var_1_33 == ((unsigned char) var_1_22))) && (var_1_34 == ((float) var_1_29)) ; [L216] RET, EXPR property() [L216] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=7, var_1_14=15, var_1_15=8, var_1_16=65534, var_1_17=4, var_1_18=126, var_1_1=7, var_1_21=126, var_1_22=0, var_1_23=126, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_30=3, var_1_31=4, var_1_32=2, var_1_33=0, var_1_34=2, var_1_4=4294967289, var_1_6=7, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=7, var_1_14=15, var_1_15=8, var_1_16=65534, var_1_17=4, var_1_18=126, var_1_1=7, var_1_21=126, var_1_22=0, var_1_23=126, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_30=3, var_1_31=4, var_1_32=2, var_1_33=0, var_1_34=2, var_1_4=4294967289, var_1_6=7, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:59:05,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX --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 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:07,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:07,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:59:07,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:07,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:07,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:07,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:07,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:07,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:07,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:07,868 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:07,869 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:07,869 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:07,871 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:07,871 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:07,872 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:07,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:07,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:07,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:59:07,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:59:07,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:07,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:07,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:07,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:07,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:59:07,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:59:07,879 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:59:07,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:59:07,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:07,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:07,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:07,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:59:07,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:07,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:07,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:07,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:07,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:07,884 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:59:07,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:07,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:07,886 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:07,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:07,886 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f [2023-11-12 00:59:08,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:08,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:08,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:08,322 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:08,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:08,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2023-11-12 00:59:11,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:11,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:11,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2023-11-12 00:59:11,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data/7615634c3/e60096581a594432a594a933a5ba19d9/FLAGb83ff6a2e [2023-11-12 00:59:12,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/data/7615634c3/e60096581a594432a594a933a5ba19d9 [2023-11-12 00:59:12,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:12,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:12,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:12,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:12,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:12,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48119ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12, skipping insertion in model container [2023-11-12 00:59:12,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:12,293 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i[916,929] [2023-11-12 00:59:12,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:12,466 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:12,480 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i[916,929] [2023-11-12 00:59:12,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:12,542 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:12,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12 WrapperNode [2023-11-12 00:59:12,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:12,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:12,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:12,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:12,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,634 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-12 00:59:12,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:12,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:12,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:12,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:12,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:12,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:12,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:12,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:12,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (1/1) ... [2023-11-12 00:59:12,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:12,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:12,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:12,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:59:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:59:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:59:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:12,959 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:12,961 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:15,907 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:15,915 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:15,915 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:59:15,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:15 BoogieIcfgContainer [2023-11-12 00:59:15,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:15,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:15,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:15,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:15,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:12" (1/3) ... [2023-11-12 00:59:15,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6442b136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:15, skipping insertion in model container [2023-11-12 00:59:15,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:12" (2/3) ... [2023-11-12 00:59:15,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6442b136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:15, skipping insertion in model container [2023-11-12 00:59:15,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:15" (3/3) ... [2023-11-12 00:59:15,928 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-31.i [2023-11-12 00:59:15,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:15,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:59:16,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:16,028 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@21f52e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:16,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:59:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:59:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:59:16,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:16,058 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:16,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:16,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:16,071 INFO L85 PathProgramCache]: Analyzing trace with hash 574522622, now seen corresponding path program 1 times [2023-11-12 00:59:16,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:16,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279365113] [2023-11-12 00:59:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:16,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:16,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:16,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:59:16,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:59:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:16,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:59:16,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-12 00:59:16,968 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:16,969 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:16,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279365113] [2023-11-12 00:59:16,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279365113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:16,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:16,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:59:16,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689873045] [2023-11-12 00:59:16,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:16,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:59:16,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:17,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:59:17,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:59:17,013 INFO L87 Difference]: Start difference. First operand has 84 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:59:17,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:17,053 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2023-11-12 00:59:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:59:17,058 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2023-11-12 00:59:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:17,071 INFO L225 Difference]: With dead ends: 161 [2023-11-12 00:59:17,071 INFO L226 Difference]: Without dead ends: 80 [2023-11-12 00:59:17,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:59:17,080 INFO L413 NwaCegarLoop]: 125 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, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:17,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:59:17,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-12 00:59:17,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-12 00:59:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:59:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2023-11-12 00:59:17,167 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 168 [2023-11-12 00:59:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:17,167 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2023-11-12 00:59:17,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:59:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2023-11-12 00:59:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:59:17,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:17,184 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:17,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:17,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:17,398 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:17,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:17,399 INFO L85 PathProgramCache]: Analyzing trace with hash -151441082, now seen corresponding path program 1 times [2023-11-12 00:59:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:17,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252914787] [2023-11-12 00:59:17,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:17,400 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:17,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:17,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:59:17,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:59:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:18,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:59:18,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:19,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:59:19,262 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:19,263 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:19,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252914787] [2023-11-12 00:59:19,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252914787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:19,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:19,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:59:19,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563042291] [2023-11-12 00:59:19,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:19,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:59:19,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:19,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:59:19,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:59:19,270 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:59:21,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:23,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:25,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:27,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:30,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:32,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:34,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:34,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:34,100 INFO L93 Difference]: Finished difference Result 276 states and 432 transitions. [2023-11-12 00:59:34,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:59:34,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-12 00:59:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:34,163 INFO L225 Difference]: With dead ends: 276 [2023-11-12 00:59:34,163 INFO L226 Difference]: Without dead ends: 199 [2023-11-12 00:59:34,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:59:34,168 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 131 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 64 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:34,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 388 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 29 Invalid, 5 Unknown, 0 Unchecked, 14.7s Time] [2023-11-12 00:59:34,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-12 00:59:34,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 148. [2023-11-12 00:59:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:59:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 228 transitions. [2023-11-12 00:59:34,242 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 228 transitions. Word has length 168 [2023-11-12 00:59:34,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:34,244 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 228 transitions. [2023-11-12 00:59:34,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:59:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 228 transitions. [2023-11-12 00:59:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:59:34,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:34,249 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:34,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:34,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:34,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:34,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:34,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1915845650, now seen corresponding path program 1 times [2023-11-12 00:59:34,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:34,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538116734] [2023-11-12 00:59:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:34,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:34,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:34,477 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:59:34,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:59:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:35,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:59:35,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:59:36,415 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:36,415 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:36,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538116734] [2023-11-12 00:59:36,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538116734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:36,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:36,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:59:36,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528986923] [2023-11-12 00:59:36,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:36,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:59:36,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:36,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:59:36,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:59:36,419 INFO L87 Difference]: Start difference. First operand 148 states and 228 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:59:39,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:41,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:43,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:44,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:46,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:48,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:50,709 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 [] [2023-11-12 00:59:50,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:50,766 INFO L93 Difference]: Finished difference Result 483 states and 744 transitions. [2023-11-12 00:59:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:59:50,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-12 00:59:50,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:50,773 INFO L225 Difference]: With dead ends: 483 [2023-11-12 00:59:50,774 INFO L226 Difference]: Without dead ends: 338 [2023-11-12 00:59:50,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:59:50,778 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 194 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 59 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:50,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 530 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 27 Invalid, 6 Unknown, 0 Unchecked, 14.2s Time] [2023-11-12 00:59:50,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-11-12 00:59:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 262. [2023-11-12 00:59:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 153 states have (on average 1.2679738562091503) internal successors, (194), 153 states have internal predecessors, (194), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-12 00:59:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 402 transitions. [2023-11-12 00:59:50,912 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 402 transitions. Word has length 169 [2023-11-12 00:59:50,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:50,916 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 402 transitions. [2023-11-12 00:59:50,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:59:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 402 transitions. [2023-11-12 00:59:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:59:50,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:50,919 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:50,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:51,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:51,146 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:51,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:51,147 INFO L85 PathProgramCache]: Analyzing trace with hash 894777296, now seen corresponding path program 1 times [2023-11-12 00:59:51,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:51,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141591770] [2023-11-12 00:59:51,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:51,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:51,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:51,154 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:59:51,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:51,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:59:51,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-12 00:59:53,498 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:59:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:59:54,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141591770] [2023-11-12 00:59:54,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141591770] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:59:54,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1535571640] [2023-11-12 00:59:54,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:54,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:54,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:59:54,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:59:54,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fff695-0295-4245-99ac-15eaca286a6a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:59:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:54,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:59:54,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:59:55,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:55,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1535571640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:55,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:59:55,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10, 7] total 16 [2023-11-12 00:59:55,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711765669] [2023-11-12 00:59:55,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:55,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:59:55,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:55,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:59:55,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:59:55,081 INFO L87 Difference]: Start difference. First operand 262 states and 402 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:59:58,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []