./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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_c4c02322-9cf8-4563-84df-3749565bb4c2/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 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:05,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:05,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:13:05,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:05,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:05,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:05,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:05,568 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:05,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:05,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:05,575 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:05,576 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:05,577 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:05,579 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:05,579 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:05,580 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:05,580 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:05,581 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:05,582 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:05,582 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:05,583 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:05,583 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:05,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:05,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:05,586 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:05,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:05,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:05,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:05,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:05,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:05,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:05,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:05,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:05,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:05,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:05,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:05,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:05,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:05,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:05,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:05,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:05,593 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:05,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:05,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:05,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:05,595 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:05,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:05,595 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_c4c02322-9cf8-4563-84df-3749565bb4c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 [2023-11-23 21:13:05,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:05,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:05,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:05,969 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:05,970 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:05,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-11-23 21:13:09,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:09,389 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:09,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-11-23 21:13:09,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data/4e982e1e9/c58b5e7d11d04d688fdee338027cf5e8/FLAG7e2ef4576 [2023-11-23 21:13:09,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data/4e982e1e9/c58b5e7d11d04d688fdee338027cf5e8 [2023-11-23 21:13:09,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:09,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:09,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:09,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:09,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:09,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba0bfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09, skipping insertion in model container [2023-11-23 21:13:09,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:09,665 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_c4c02322-9cf8-4563-84df-3749565bb4c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-11-23 21:13:09,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:09,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:09,808 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_c4c02322-9cf8-4563-84df-3749565bb4c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-11-23 21:13:09,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:09,871 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:09,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09 WrapperNode [2023-11-23 21:13:09,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:09,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:09,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:09,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:09,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,969 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 297 [2023-11-23 21:13:09,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:09,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:09,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:09,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:09,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:10,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:10,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:10,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:10,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:10,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:10,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:10,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:10,359 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:10,366 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:11,032 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:11,675 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:11,676 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:11,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:11 BoogieIcfgContainer [2023-11-23 21:13:11,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:11,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:11,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:11,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:11,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:09" (1/3) ... [2023-11-23 21:13:11,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576f05fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:11, skipping insertion in model container [2023-11-23 21:13:11,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09" (2/3) ... [2023-11-23 21:13:11,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576f05fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:11, skipping insertion in model container [2023-11-23 21:13:11,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:11" (3/3) ... [2023-11-23 21:13:11,691 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-11-23 21:13:11,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:11,712 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:11,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:11,790 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;@3f52101e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:11,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:13:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-23 21:13:11,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:11,815 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:11,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:11,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:11,820 INFO L85 PathProgramCache]: Analyzing trace with hash 691049014, now seen corresponding path program 1 times [2023-11-23 21:13:11,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:11,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136362805] [2023-11-23 21:13:11,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:11,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:12,079 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:13:12,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767974425] [2023-11-23 21:13:12,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:12,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:13:12,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:12,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:13:12,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:13:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:12,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:13:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:12,732 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:13:12,734 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:13:12,736 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:13:12,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:12,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:13:12,952 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:13:12,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:13,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:13 BoogieIcfgContainer [2023-11-23 21:13:13,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:13,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:13,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:13,111 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:13,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:11" (3/4) ... [2023-11-23 21:13:13,114 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:13:13,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:13,116 INFO L158 Benchmark]: Toolchain (without parser) took 3686.41ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 130.5MB in the beginning and 151.0MB in the end (delta: -20.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-23 21:13:13,117 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:13,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.72ms. Allocated memory is still 161.5MB. Free memory was 130.5MB in the beginning and 114.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:13:13,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.26ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 108.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:13:13,119 INFO L158 Benchmark]: Boogie Preprocessor took 59.25ms. Allocated memory is still 161.5MB. Free memory was 108.6MB in the beginning and 105.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:13,120 INFO L158 Benchmark]: RCFGBuilder took 1647.51ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 105.8MB in the beginning and 123.1MB in the end (delta: -17.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-11-23 21:13:13,120 INFO L158 Benchmark]: TraceAbstraction took 1429.12ms. Allocated memory is still 195.0MB. Free memory was 122.0MB in the beginning and 152.1MB in the end (delta: -30.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:13,121 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 195.0MB. Free memory was 152.1MB in the beginning and 151.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:13,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.72ms. Allocated memory is still 161.5MB. Free memory was 130.5MB in the beginning and 114.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.26ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 108.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.25ms. Allocated memory is still 161.5MB. Free memory was 108.6MB in the beginning and 105.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1647.51ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 105.8MB in the beginning and 123.1MB in the end (delta: -17.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1429.12ms. Allocated memory is still 195.0MB. Free memory was 122.0MB in the beginning and 152.1MB in the end (delta: -30.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 195.0MB. Free memory was 152.1MB in the beginning and 151.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseOr at line 99, overapproximation of someUnaryDOUBLEoperation at line 48, overapproximation of bitwiseAnd at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] signed long int var_1_5 = 5; [L24] unsigned char var_1_8 = 0; [L25] float var_1_9 = 128.6; [L26] float var_1_10 = 32.5; [L27] unsigned char var_1_11 = 16; [L28] unsigned char var_1_12 = 64; [L29] unsigned char var_1_13 = 4; [L30] unsigned char var_1_14 = 4; [L31] unsigned long int var_1_15 = 0; [L32] signed short int var_1_16 = 0; [L33] signed char var_1_17 = 1; [L34] signed char var_1_18 = -1; [L35] signed char var_1_19 = 0; [L36] signed long int var_1_20 = -64; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 0; [L39] signed short int var_1_24 = -4; [L40] signed char var_1_27 = 64; [L41] unsigned short int var_1_29 = 8; [L42] unsigned char var_1_30 = 16; [L43] unsigned short int var_1_33 = 48416; [L44] unsigned char var_1_35 = 4; [L45] unsigned char var_1_36 = 25; [L46] unsigned long int var_1_37 = 32; [L47] unsigned char var_1_38 = 8; [L48] double var_1_39 = -0.75; [L49] double var_1_40 = 31.75; [L50] double var_1_41 = 5.5; [L51] double var_1_42 = 32.5; [L52] signed char var_1_43 = 100; [L53] signed char var_1_44 = 50; [L54] signed char var_1_45 = 5; [L55] signed long int last_1_var_1_5 = 5; [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L198] last_1_var_1_5 = var_1_5 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L144] var_1_9 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L146] var_1_10 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L148] var_1_11 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L150] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L151] var_1_12 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L153] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L154] var_1_13 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L156] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L159] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L160] var_1_18 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L162] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L163] var_1_19 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L165] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L166] var_1_23 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L168] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L169] var_1_27 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L171] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L172] var_1_30 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L174] CALL assume_abort_if_not(var_1_30 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_30 <= 255) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L175] CALL assume_abort_if_not(var_1_30 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 != 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L181] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L182] var_1_39 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L184] var_1_40 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L186] var_1_41 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L188] var_1_42 = __VERIFIER_nondet_double() [L189] 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_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L189] 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_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L190] var_1_44 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_44 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_44 >= -1) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L192] CALL assume_abort_if_not(var_1_44 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L193] var_1_45 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L195] CALL assume_abort_if_not(var_1_45 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_45 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L209] RET updateVariables() [L210] CALL step() [L59] COND FALSE !(var_1_9 > var_1_10) [L62] var_1_20 = var_1_8 [L63] var_1_22 = var_1_23 [L64] COND FALSE !(\read(var_1_22)) [L67] var_1_16 = (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) [L68] COND FALSE !(\read(var_1_22)) [L75] var_1_17 = -32 [L77] unsigned long int stepLocal_1 = var_1_20 + var_1_15; [L78] signed long int stepLocal_0 = var_1_20; [L79] COND TRUE stepLocal_1 < -200 [L80] COND FALSE !(\read(var_1_22)) [L87] var_1_1 = var_1_20 [L92] signed long int stepLocal_4 = 256; [L93] unsigned char stepLocal_3 = var_1_22; [L94] unsigned long int stepLocal_2 = var_1_15; [L95] COND FALSE !(stepLocal_4 > (var_1_15 - (last_1_var_1_5 + var_1_8))) [L98] COND FALSE !(stepLocal_3 || var_1_22) [L103] var_1_5 = -10000 [L106] COND FALSE !(\read(var_1_22)) [L111] var_1_24 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) [L113] COND TRUE (var_1_20 / var_1_30) < var_1_27 [L114] var_1_29 = var_1_30 [L118] COND FALSE !(\read(var_1_22)) [L121] COND TRUE ((((var_1_8) < (var_1_1)) ? (var_1_8) : (var_1_1))) >= var_1_15 [L122] var_1_37 = var_1_20 [L124] COND TRUE (var_1_39 * (var_1_40 - var_1_41)) >= var_1_42 [L125] COND TRUE (~ var_1_36) <= (((((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16))) < 0 ) ? -((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16))) : ((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16))))) [L126] var_1_38 = var_1_36 [L133] COND FALSE !(((((var_1_39) > (64.75f)) ? (var_1_39) : (64.75f))) <= var_1_40) [L140] var_1_43 = var_1_44 [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) [L201-L202] return (((((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_8))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=1, var_1_29=2, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=0, var_1_38=0, var_1_43=-1, var_1_44=-1, var_1_45=0, var_1_5=-10000, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=1, var_1_29=2, var_1_30=2, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=0, var_1_38=0, var_1_43=-1, var_1_44=-1, var_1_45=0, var_1_5=-10000, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 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 21:13:13,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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_c4c02322-9cf8-4563-84df-3749565bb4c2/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 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:15,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:15,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:13:15,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:15,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:15,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:15,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:15,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:15,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:15,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:15,978 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:15,979 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:15,979 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:15,981 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:15,981 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:15,982 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:15,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:15,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:15,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:15,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:15,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:15,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:15,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:15,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:15,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:13:15,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:13:15,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:13:15,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:15,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:15,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:15,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:15,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:13:15,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:15,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:15,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:15,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:15,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:15,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:15,993 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:13:15,994 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:15,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:15,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:15,995 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:15,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:15,996 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_c4c02322-9cf8-4563-84df-3749565bb4c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 [2023-11-23 21:13:16,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:16,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:16,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:16,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:16,434 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:16,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-11-23 21:13:19,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:19,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:19,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-11-23 21:13:19,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data/cc6b69b2b/d7600d1378b34d1daf79c16a9d6946b6/FLAGb6ebae4df [2023-11-23 21:13:19,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/data/cc6b69b2b/d7600d1378b34d1daf79c16a9d6946b6 [2023-11-23 21:13:19,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:19,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:19,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:19,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:19,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:19,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:19" (1/1) ... [2023-11-23 21:13:19,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ab5abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:19, skipping insertion in model container [2023-11-23 21:13:19,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:19" (1/1) ... [2023-11-23 21:13:20,023 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:20,224 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_c4c02322-9cf8-4563-84df-3749565bb4c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-11-23 21:13:20,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:20,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:20,401 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_c4c02322-9cf8-4563-84df-3749565bb4c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-11-23 21:13:20,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:20,498 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:20,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20 WrapperNode [2023-11-23 21:13:20,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:20,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:20,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:20,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:20,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,590 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-11-23 21:13:20,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:20,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:20,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:20,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:20,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:20,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:20,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:20,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:20,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (1/1) ... [2023-11-23 21:13:20,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:20,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:20,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:13:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:20,908 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:20,910 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:25,547 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:25,597 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:25,598 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:25,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:25 BoogieIcfgContainer [2023-11-23 21:13:25,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:25,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:25,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:25,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:25,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:19" (1/3) ... [2023-11-23 21:13:25,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5174f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:25, skipping insertion in model container [2023-11-23 21:13:25,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:20" (2/3) ... [2023-11-23 21:13:25,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5174f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:25, skipping insertion in model container [2023-11-23 21:13:25,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:25" (3/3) ... [2023-11-23 21:13:25,613 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-11-23 21:13:25,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:25,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:25,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:25,698 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;@895d129, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:25,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:13:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:13:25,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:25,736 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:25,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:25,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:25,742 INFO L85 PathProgramCache]: Analyzing trace with hash -858778811, now seen corresponding path program 1 times [2023-11-23 21:13:25,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:25,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937252739] [2023-11-23 21:13:25,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:25,756 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 21:13:25,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:25,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:25,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:26,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:13:26,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2023-11-23 21:13:26,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:26,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:26,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937252739] [2023-11-23 21:13:26,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937252739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:26,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:26,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:26,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523357390] [2023-11-23 21:13:26,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:26,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:13:26,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:26,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:13:26,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:13:26,507 INFO L87 Difference]: Start difference. First operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 21:13:26,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:26,602 INFO L93 Difference]: Finished difference Result 175 states and 319 transitions. [2023-11-23 21:13:26,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:13:26,606 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2023-11-23 21:13:26,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:26,616 INFO L225 Difference]: With dead ends: 175 [2023-11-23 21:13:26,616 INFO L226 Difference]: Without dead ends: 87 [2023-11-23 21:13:26,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 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 21:13:26,625 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:26,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:13:26,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-23 21:13:26,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-23 21:13:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 52 states have internal predecessors, (72), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:13:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 138 transitions. [2023-11-23 21:13:26,703 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 138 transitions. Word has length 204 [2023-11-23 21:13:26,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:26,703 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 138 transitions. [2023-11-23 21:13:26,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 21:13:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-11-23 21:13:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:13:26,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:26,709 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:26,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:26,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:26,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:26,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:26,915 INFO L85 PathProgramCache]: Analyzing trace with hash 451008695, now seen corresponding path program 1 times [2023-11-23 21:13:26,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:26,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687065269] [2023-11-23 21:13:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:26,917 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 21:13:26,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:26,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:26,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:27,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:13:27,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:13:29,439 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:29,439 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:29,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687065269] [2023-11-23 21:13:29,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687065269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:29,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:29,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:13:29,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793098810] [2023-11-23 21:13:29,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:29,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:13:29,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:29,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:13:29,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:13:29,453 INFO L87 Difference]: Start difference. First operand 87 states and 138 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:30,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:30,582 INFO L93 Difference]: Finished difference Result 318 states and 504 transitions. [2023-11-23 21:13:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:13:30,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-23 21:13:30,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:30,589 INFO L225 Difference]: With dead ends: 318 [2023-11-23 21:13:30,590 INFO L226 Difference]: Without dead ends: 232 [2023-11-23 21:13:30,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:13:30,593 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 198 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:30,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 608 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 21:13:30,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-23 21:13:30,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 171. [2023-11-23 21:13:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-23 21:13:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 271 transitions. [2023-11-23 21:13:30,644 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 271 transitions. Word has length 204 [2023-11-23 21:13:30,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:30,646 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 271 transitions. [2023-11-23 21:13:30,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 271 transitions. [2023-11-23 21:13:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:13:30,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:30,661 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:30,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:13:30,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:30,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:30,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:30,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1472077049, now seen corresponding path program 1 times [2023-11-23 21:13:30,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:30,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617772262] [2023-11-23 21:13:30,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:30,877 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 21:13:30,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:30,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:30,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:13:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:31,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:13:31,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-11-23 21:13:32,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:13:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-23 21:13:32,875 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:32,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617772262] [2023-11-23 21:13:32,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617772262] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:13:32,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [894102306] [2023-11-23 21:13:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:32,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:32,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:13:32,880 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:13:32,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:13:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:33,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:13:33,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:13:33,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:33,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [894102306] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:33,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:13:33,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 8 [2023-11-23 21:13:33,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590533995] [2023-11-23 21:13:33,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:33,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:33,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:33,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:33,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:13:33,328 INFO L87 Difference]: Start difference. First operand 171 states and 271 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:33,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:33,476 INFO L93 Difference]: Finished difference Result 420 states and 665 transitions. [2023-11-23 21:13:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:13:33,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-23 21:13:33,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:33,482 INFO L225 Difference]: With dead ends: 420 [2023-11-23 21:13:33,482 INFO L226 Difference]: Without dead ends: 250 [2023-11-23 21:13:33,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 601 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:13:33,486 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 122 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:33,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 249 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:13:33,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-23 21:13:33,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 180. [2023-11-23 21:13:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 111 states have (on average 1.3243243243243243) internal successors, (147), 111 states have internal predecessors, (147), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-23 21:13:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 279 transitions. [2023-11-23 21:13:33,534 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 279 transitions. Word has length 204 [2023-11-23 21:13:33,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:33,536 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 279 transitions. [2023-11-23 21:13:33,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2023-11-23 21:13:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:13:33,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:33,540 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:33,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:33,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:33,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:33,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:33,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:33,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1047882885, now seen corresponding path program 1 times [2023-11-23 21:13:33,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:33,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931473437] [2023-11-23 21:13:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:33,947 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 21:13:33,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:33,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:33,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:13:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:34,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:13:34,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-11-23 21:13:35,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:13:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-23 21:13:35,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:35,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931473437] [2023-11-23 21:13:35,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931473437] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:13:35,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [52397151] [2023-11-23 21:13:35,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:35,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:35,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:13:35,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:13:36,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:13:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:36,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:13:36,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:36,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:13:36,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:36,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [52397151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:36,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:13:36,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-23 21:13:36,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890862073] [2023-11-23 21:13:36,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:36,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:36,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:36,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:36,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:13:36,689 INFO L87 Difference]: Start difference. First operand 180 states and 279 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:36,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:36,844 INFO L93 Difference]: Finished difference Result 348 states and 541 transitions. [2023-11-23 21:13:36,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:13:36,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-23 21:13:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:36,852 INFO L225 Difference]: With dead ends: 348 [2023-11-23 21:13:36,853 INFO L226 Difference]: Without dead ends: 250 [2023-11-23 21:13:36,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 601 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:13:36,859 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 123 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:36,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 360 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:13:36,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-23 21:13:36,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 180. [2023-11-23 21:13:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 111 states have internal predecessors, (142), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-23 21:13:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 274 transitions. [2023-11-23 21:13:36,923 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 274 transitions. Word has length 204 [2023-11-23 21:13:36,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:36,925 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 274 transitions. [2023-11-23 21:13:36,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 274 transitions. [2023-11-23 21:13:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 21:13:36,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:36,929 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:36,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:37,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:37,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:37,343 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:37,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:37,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1594875580, now seen corresponding path program 1 times [2023-11-23 21:13:37,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:37,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168100964] [2023-11-23 21:13:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:37,346 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 21:13:37,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:37,347 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:37,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 (8)] Waiting until timeout for monitored process [2023-11-23 21:13:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:37,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:13:37,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:13:41,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:41,090 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:41,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168100964] [2023-11-23 21:13:41,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168100964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:41,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:41,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:13:41,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298895723] [2023-11-23 21:13:41,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:41,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:13:41,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:41,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:13:41,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:13:41,093 INFO L87 Difference]: Start difference. First operand 180 states and 274 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:41,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:41,945 INFO L93 Difference]: Finished difference Result 457 states and 692 transitions. [2023-11-23 21:13:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:13:41,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-11-23 21:13:41,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:41,950 INFO L225 Difference]: With dead ends: 457 [2023-11-23 21:13:41,950 INFO L226 Difference]: Without dead ends: 278 [2023-11-23 21:13:41,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:13:41,953 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 99 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:41,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 423 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:13:41,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-11-23 21:13:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 261. [2023-11-23 21:13:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 158 states have (on average 1.259493670886076) internal successors, (199), 158 states have internal predecessors, (199), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-23 21:13:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 397 transitions. [2023-11-23 21:13:42,015 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 397 transitions. Word has length 205 [2023-11-23 21:13:42,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:42,016 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 397 transitions. [2023-11-23 21:13:42,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:13:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 397 transitions. [2023-11-23 21:13:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 21:13:42,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:42,021 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:42,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:42,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:42,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:42,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1132361636, now seen corresponding path program 1 times [2023-11-23 21:13:42,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:42,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112115438] [2023-11-23 21:13:42,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:42,237 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 21:13:42,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:42,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 21:13:42,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4c02322-9cf8-4563-84df-3749565bb4c2/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 (9)] Waiting until timeout for monitored process [2023-11-23 21:13:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:42,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 21:13:42,732 INFO L285 TraceCheckSpWp]: Computing forward predicates...