./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ac81a8cacda8462923d09d15f8ac5e71885bebbafc1cfaa52b22f9f8f380889 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:49,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:49,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:10:49,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:49,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:49,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:49,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:49,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:49,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:49,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:49,994 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:49,994 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:49,995 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:49,996 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:49,996 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:49,997 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:49,998 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:49,998 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:49,999 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:50,000 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:50,001 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:50,001 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:50,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:50,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:50,003 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:50,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:50,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:50,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:50,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:50,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:50,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:50,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:50,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:50,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:50,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:50,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:50,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:50,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:50,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:50,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:50,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:50,013 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:50,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:50,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:50,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:50,015 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:50,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:50,016 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_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ac81a8cacda8462923d09d15f8ac5e71885bebbafc1cfaa52b22f9f8f380889 [2023-11-23 21:10:50,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:50,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:50,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:50,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:50,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:50,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i [2023-11-23 21:10:53,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:53,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:53,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i [2023-11-23 21:10:53,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data/35c99dd32/22d4d3640bb34f189afb239d8396f03d/FLAG67cdf6a7b [2023-11-23 21:10:53,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data/35c99dd32/22d4d3640bb34f189afb239d8396f03d [2023-11-23 21:10:53,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:53,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:53,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:53,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:53,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:53,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:53" (1/1) ... [2023-11-23 21:10:53,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2f9ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:53, skipping insertion in model container [2023-11-23 21:10:53,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:53" (1/1) ... [2023-11-23 21:10:53,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:54,175 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_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i[919,932] [2023-11-23 21:10:54,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:54,279 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:54,298 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_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i[919,932] [2023-11-23 21:10:54,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:54,398 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:54,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54 WrapperNode [2023-11-23 21:10:54,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:54,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:54,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:54,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:54,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,478 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-11-23 21:10:54,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:54,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:54,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:54,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:54,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:54,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:54,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:54,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:54,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (1/1) ... [2023-11-23 21:10:54,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:54,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:54,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:54,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:54,759 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:54,762 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:55,407 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:55,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:55,880 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:55,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:55 BoogieIcfgContainer [2023-11-23 21:10:55,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:55,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:55,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:55,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:55,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:53" (1/3) ... [2023-11-23 21:10:55,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3454d8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:55, skipping insertion in model container [2023-11-23 21:10:55,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:54" (2/3) ... [2023-11-23 21:10:55,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3454d8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:55, skipping insertion in model container [2023-11-23 21:10:55,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:55" (3/3) ... [2023-11-23 21:10:55,899 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i [2023-11-23 21:10:55,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:55,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:55,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:56,007 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;@61fb192e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:56,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:10:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 21:10:56,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:56,029 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:56,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:56,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash -807409529, now seen corresponding path program 1 times [2023-11-23 21:10:56,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:56,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562751403] [2023-11-23 21:10:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:56,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:56,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:10:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:57,356 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:10:57,358 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:10:57,360 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:10:57,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:10:57,367 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:10:57,373 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:10:57,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:10:57 BoogieIcfgContainer [2023-11-23 21:10:57,526 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:10:57,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:10:57,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:10:57,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:10:57,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:55" (3/4) ... [2023-11-23 21:10:57,536 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:10:57,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:10:57,539 INFO L158 Benchmark]: Toolchain (without parser) took 3628.37ms. Allocated memory is still 209.7MB. Free memory was 161.3MB in the beginning and 114.3MB in the end (delta: 47.1MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-11-23 21:10:57,539 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:57,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.56ms. Allocated memory is still 209.7MB. Free memory was 161.3MB in the beginning and 145.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:10:57,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.77ms. Allocated memory is still 209.7MB. Free memory was 145.7MB in the beginning and 141.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:57,543 INFO L158 Benchmark]: Boogie Preprocessor took 51.22ms. Allocated memory is still 209.7MB. Free memory was 141.6MB in the beginning and 139.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:10:57,549 INFO L158 Benchmark]: RCFGBuilder took 1351.83ms. Allocated memory is still 209.7MB. Free memory was 139.5MB in the beginning and 137.0MB in the end (delta: 2.5MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-11-23 21:10:57,551 INFO L158 Benchmark]: TraceAbstraction took 1637.75ms. Allocated memory is still 209.7MB. Free memory was 135.9MB in the beginning and 114.3MB in the end (delta: 21.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-23 21:10:57,552 INFO L158 Benchmark]: Witness Printer took 8.36ms. Allocated memory is still 209.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:57,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.56ms. Allocated memory is still 209.7MB. Free memory was 161.3MB in the beginning and 145.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.77ms. Allocated memory is still 209.7MB. Free memory was 145.7MB in the beginning and 141.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.22ms. Allocated memory is still 209.7MB. Free memory was 141.6MB in the beginning and 139.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1351.83ms. Allocated memory is still 209.7MB. Free memory was 139.5MB in the beginning and 137.0MB in the end (delta: 2.5MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1637.75ms. Allocated memory is still 209.7MB. Free memory was 135.9MB in the beginning and 114.3MB in the end (delta: 21.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 8.36ms. Allocated memory is still 209.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of bitwiseOr at line 84, overapproximation of someUnaryDOUBLEoperation at line 118, overapproximation of bitwiseAnd at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryArithmeticFLOAToperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] signed long int var_1_25 = 64; [L43] unsigned long int var_1_29 = 32; [L44] unsigned long int var_1_32 = 2219578776; [L45] unsigned char var_1_34 = 0; [L46] unsigned char var_1_35 = 0; [L47] unsigned char var_1_36 = 5; [L48] float var_1_37 = 256.125; [L49] float var_1_38 = 127.25; [L50] unsigned char var_1_41 = 32; [L51] double var_1_42 = 16.125; [L52] double var_1_43 = 256.5; [L53] signed short int var_1_45 = -10; [L54] unsigned char last_1_var_1_1 = 2; [L55] unsigned char last_1_var_1_15 = 1; [L56] signed char last_1_var_1_20 = 0; [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L191] last_1_var_1_1 = var_1_1 [L192] last_1_var_1_15 = var_1_15 [L193] last_1_var_1_20 = var_1_20 [L203] RET updateLastVariables() [L204] CALL updateVariables() [L143] var_1_4 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L145] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L146] var_1_5 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L148] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L149] var_1_6 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L151] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L152] var_1_7 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_8=32, var_1_9=201/2] [L154] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L155] var_1_8 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_9=201/2] [L157] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L158] var_1_11 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L160] var_1_12 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L162] var_1_16 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L164] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L165] var_1_17 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L167] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L168] var_1_19 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L170] var_1_21 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L172] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=32, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L173] var_1_29 = __VERIFIER_nondet_ulong() [L174] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L175] CALL assume_abort_if_not(var_1_29 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_29 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=2219578776, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L176] var_1_32 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_32 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_32 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L178] CALL assume_abort_if_not(var_1_32 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L179] var_1_35 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L181] CALL assume_abort_if_not(var_1_35 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_35 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_37=2049/8, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L182] var_1_37 = __VERIFIER_nondet_float() [L183] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_38=509/4, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L184] var_1_38 = __VERIFIER_nondet_float() [L185] CALL assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L186] var_1_42 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L188] CALL assume_abort_if_not(var_1_42 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_42 != 0.0F) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L204] RET updateVariables() [L205] CALL step() [L60] COND FALSE !(var_1_5 >= var_1_6) [L69] var_1_15 = var_1_17 [L71] unsigned char stepLocal_1 = var_1_15; [L72] unsigned char stepLocal_0 = var_1_15; [L73] COND TRUE var_1_17 || stepLocal_0 [L74] COND TRUE var_1_15 && stepLocal_1 [L75] var_1_18 = (var_1_11 + var_1_19) [L80] EXPR var_1_20 >> var_1_29 [L80] EXPR ((var_1_1) < ((var_1_20 >> var_1_29))) ? (var_1_1) : ((var_1_20 >> var_1_29)) [L80] EXPR var_1_20 >> var_1_29 [L80] EXPR ((var_1_1) < ((var_1_20 >> var_1_29))) ? (var_1_1) : ((var_1_20 >> var_1_29)) [L80] COND TRUE var_1_13 < ((((var_1_1) < ((var_1_20 >> var_1_29))) ? (var_1_1) : ((var_1_20 >> var_1_29)))) [L81] COND FALSE !(var_1_13 > var_1_1) [L84] EXPR var_1_29 ^ var_1_20 [L84] EXPR (var_1_29 ^ var_1_20) >> var_1_13 [L84] COND FALSE !(((var_1_29 ^ var_1_20) >> var_1_13) > ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) [L95] COND TRUE (var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18) [L96] COND FALSE !(var_1_6 <= var_1_8) [L104] COND FALSE !((var_1_38 / ((((var_1_42) > (256.5)) ? (var_1_42) : (256.5)))) < var_1_37) [L107] COND FALSE !(var_1_11 == var_1_18) [L110] COND FALSE !(var_1_23 >= -25) [L113] COND TRUE (var_1_37 - var_1_38) >= (var_1_18 * var_1_22) [L114] var_1_36 = 5 [L116] COND FALSE !((((((var_1_22) < (var_1_37)) ? (var_1_22) : (var_1_37))) >= (var_1_38 / var_1_42)) || var_1_35) [L121] EXPR var_1_13 & var_1_24 [L121] EXPR var_1_20 ^ (var_1_13 & var_1_24) [L121] COND TRUE var_1_29 <= (var_1_20 ^ (var_1_13 & var_1_24)) [L122] COND FALSE !(\read(var_1_35)) [L130] COND FALSE !(-32 < var_1_13) [L133] COND FALSE !((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) [L136] var_1_9 = var_1_12 [L138] var_1_22 = var_1_12 [L139] var_1_23 = var_1_8 [L140] var_1_24 = var_1_6 [L205] RET step() [L206] CALL, EXPR property() [L196-L197] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=2219578781, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2219578781, var_1_23=0, var_1_24=64, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=2219578781] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=2219578781, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2219578781, var_1_23=0, var_1_24=64, var_1_25=64, var_1_29=0, var_1_32=4294967295, var_1_34=0, var_1_35=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=2219578781] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 29, 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=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:10:57,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ac81a8cacda8462923d09d15f8ac5e71885bebbafc1cfaa52b22f9f8f380889 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:00,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:00,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:11:00,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:00,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:00,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:00,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:00,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:00,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:00,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:00,402 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:00,403 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:00,404 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:00,404 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:00,405 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:00,405 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:00,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:00,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:00,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:00,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:00,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:00,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:00,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:00,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:00,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:00,412 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:00,412 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:00,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:00,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:00,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:00,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:00,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:00,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:00,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:00,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:00,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:00,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:00,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:00,417 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:00,418 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:00,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:00,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:00,419 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:00,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:00,420 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_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ac81a8cacda8462923d09d15f8ac5e71885bebbafc1cfaa52b22f9f8f380889 [2023-11-23 21:11:00,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:00,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:00,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:00,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:00,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:00,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i [2023-11-23 21:11:04,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:04,574 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:04,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i [2023-11-23 21:11:04,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data/4cb6c6774/f89edeff1ff5467f82575947ce0d0467/FLAG17a81ab93 [2023-11-23 21:11:04,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/data/4cb6c6774/f89edeff1ff5467f82575947ce0d0467 [2023-11-23 21:11:04,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:04,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:04,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:04,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:04,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:04,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:04" (1/1) ... [2023-11-23 21:11:04,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1013db0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:04, skipping insertion in model container [2023-11-23 21:11:04,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:04" (1/1) ... [2023-11-23 21:11:04,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:04,826 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_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i[919,932] [2023-11-23 21:11:04,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:04,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:04,982 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_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i[919,932] [2023-11-23 21:11:05,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:05,096 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:05,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05 WrapperNode [2023-11-23 21:11:05,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:05,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:05,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:05,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:05,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,192 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-23 21:11:05,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:05,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:05,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:05,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:05,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:05,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:05,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:05,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:05,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:05,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:05,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:05,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:11:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:05,484 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:05,486 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:21,744 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:21,830 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:21,830 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:21,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:21 BoogieIcfgContainer [2023-11-23 21:11:21,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:21,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:21,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:21,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:21,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:04" (1/3) ... [2023-11-23 21:11:21,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdd4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:21, skipping insertion in model container [2023-11-23 21:11:21,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05" (2/3) ... [2023-11-23 21:11:21,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdd4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:21, skipping insertion in model container [2023-11-23 21:11:21,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:21" (3/3) ... [2023-11-23 21:11:21,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-32.i [2023-11-23 21:11:21,864 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:21,864 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:21,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:21,953 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;@602f8346, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:21,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:11:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:11:21,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:21,979 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:21,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:21,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:21,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2101477047, now seen corresponding path program 1 times [2023-11-23 21:11:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:22,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275550128] [2023-11-23 21:11:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:22,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:22,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:22,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:11:22,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:11:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:24,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:11:24,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 804 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-23 21:11:24,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:24,244 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:24,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275550128] [2023-11-23 21:11:24,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275550128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:24,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:24,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:11:24,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98841071] [2023-11-23 21:11:24,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:24,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:11:24,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:24,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:11:24,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:24,288 INFO L87 Difference]: Start difference. First operand has 83 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:11:26,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:26,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:26,443 INFO L93 Difference]: Finished difference Result 163 states and 301 transitions. [2023-11-23 21:11:26,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:11:26,465 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 181 [2023-11-23 21:11:26,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:26,474 INFO L225 Difference]: With dead ends: 163 [2023-11-23 21:11:26,475 INFO L226 Difference]: Without dead ends: 81 [2023-11-23 21:11:26,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:26,482 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:26,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:11:26,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-23 21:11:26,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-23 21:11:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:11:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 132 transitions. [2023-11-23 21:11:26,566 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 132 transitions. Word has length 181 [2023-11-23 21:11:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:26,567 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 132 transitions. [2023-11-23 21:11:26,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:11:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 132 transitions. [2023-11-23 21:11:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:11:26,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:26,584 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:26,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:11:26,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:26,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:26,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:26,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1732995839, now seen corresponding path program 1 times [2023-11-23 21:11:26,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:26,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866966977] [2023-11-23 21:11:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:26,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:26,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:26,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:11:26,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:11:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:28,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:11:28,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-11-23 21:11:31,548 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:11:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-23 21:11:33,109 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:33,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866966977] [2023-11-23 21:11:33,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866966977] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:11:33,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [560631384] [2023-11-23 21:11:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:33,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:33,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:11:33,116 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:11:33,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:11:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:33,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:11:33,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:11:37,871 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:37,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [560631384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:37,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:11:37,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 8 [2023-11-23 21:11:37,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920675760] [2023-11-23 21:11:37,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:37,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:37,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:37,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:37,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:11:37,877 INFO L87 Difference]: Start difference. First operand 81 states and 132 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:11:40,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:40,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:40,171 INFO L93 Difference]: Finished difference Result 237 states and 390 transitions. [2023-11-23 21:11:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:40,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181 [2023-11-23 21:11:40,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:40,183 INFO L225 Difference]: With dead ends: 237 [2023-11-23 21:11:40,188 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 21:11:40,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 533 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:11:40,191 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 38 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:40,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 255 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:11:40,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 21:11:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 148. [2023-11-23 21:11:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 87 states have (on average 1.4367816091954022) internal successors, (125), 87 states have internal predecessors, (125), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:11:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 241 transitions. [2023-11-23 21:11:40,271 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 241 transitions. Word has length 181 [2023-11-23 21:11:40,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:40,272 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 241 transitions. [2023-11-23 21:11:40,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:11:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 241 transitions. [2023-11-23 21:11:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:11:40,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:40,277 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:40,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-23 21:11:40,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:11:40,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:40,682 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:40,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:40,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1881913087, now seen corresponding path program 1 times [2023-11-23 21:11:40,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:40,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556906071] [2023-11-23 21:11:40,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:40,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:40,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:40,686 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:11:40,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:11:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:42,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:11:42,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 840 proven. 42 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-11-23 21:11:44,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:11:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-23 21:11:46,377 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:46,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556906071] [2023-11-23 21:11:46,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556906071] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:11:46,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1436144339] [2023-11-23 21:11:46,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:46,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:46,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:11:46,383 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:11:46,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a62317-6efb-4a2d-8fb7-babed8ed55e8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:11:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:49,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:11:49,384 INFO L285 TraceCheckSpWp]: Computing forward predicates...