./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:22,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:22,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:21:22,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:22,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:22,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:22,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:22,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:22,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:22,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:22,489 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:22,490 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:22,491 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:22,491 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:22,492 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:22,493 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:22,494 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:22,494 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:22,495 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:22,496 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:22,497 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:22,498 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:22,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:22,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:22,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:22,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:22,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:22,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:22,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:22,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:22,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:22,504 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:22,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:22,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:22,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:22,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:22,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:22,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:22,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:22,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:22,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:22,509 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:22,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:22,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:22,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:22,510 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:22,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:22,511 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_ab526bc4-e20a-45eb-b706-8e514371a9a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2023-11-23 21:21:22,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:22,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:22,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:22,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:22,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:22,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-23 21:21:26,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:26,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:26,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-23 21:21:26,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data/b40fd6b13/c23e34456e574403af540d9e8f514a1c/FLAG65dd0a2d3 [2023-11-23 21:21:26,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data/b40fd6b13/c23e34456e574403af540d9e8f514a1c [2023-11-23 21:21:26,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:26,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:26,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:26,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:26,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:26,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ccf2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26, skipping insertion in model container [2023-11-23 21:21:26,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:26,560 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_ab526bc4-e20a-45eb-b706-8e514371a9a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-23 21:21:26,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:26,666 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:26,694 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_ab526bc4-e20a-45eb-b706-8e514371a9a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-23 21:21:26,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:26,772 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:26,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26 WrapperNode [2023-11-23 21:21:26,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:26,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:26,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:26,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:26,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,865 INFO L138 Inliner]: procedures = 29, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 458 [2023-11-23 21:21:26,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:26,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:26,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:26,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:26,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:26,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:26,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:26,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:26,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (1/1) ... [2023-11-23 21:21:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:26,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:26,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:27,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:21:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:21:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:21:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:21:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:21:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:27,190 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:27,192 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:27,835 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:28,686 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:28,686 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:28,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:28 BoogieIcfgContainer [2023-11-23 21:21:28,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:28,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:28,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:28,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:28,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:26" (1/3) ... [2023-11-23 21:21:28,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c88cbcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:28, skipping insertion in model container [2023-11-23 21:21:28,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:26" (2/3) ... [2023-11-23 21:21:28,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c88cbcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:28, skipping insertion in model container [2023-11-23 21:21:28,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:28" (3/3) ... [2023-11-23 21:21:28,704 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2023-11-23 21:21:28,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:28,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:28,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:28,797 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;@7015f8c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:28,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 21:21:28,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:28,816 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:28,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:28,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:28,825 INFO L85 PathProgramCache]: Analyzing trace with hash -649424780, now seen corresponding path program 1 times [2023-11-23 21:21:28,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:28,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774727211] [2023-11-23 21:21:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:31,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:32,138 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:32,143 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:32,144 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:32,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:21:32,153 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:32,157 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:32,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:21:32,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:21:32,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:21:32,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:21:32,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:21:32,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-23 21:21:32,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-23 21:21:32,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:21:32,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:21:32,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-23 21:21:32,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:21:32,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-23 21:21:32,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:21:32,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:21:32,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:21:32,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:21:32,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-23 21:21:32,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-23 21:21:32,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 21:21:32,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:21:32,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:21:32,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-23 21:21:32,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-23 21:21:32,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 21:21:32,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:21:32,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-23 21:21:32,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:21:32,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-23 21:21:32,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 21:21:32,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:21:32,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 21:21:32,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:21:32,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 21:21:32,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 21:21:32,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:21:32,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:21:32,264 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 21:21:32,265 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 21:21:32,270 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:21:32,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:21:32,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 21:21:32,272 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 21:21:32,272 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:21:32,273 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:21:32,273 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:21:32,277 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:21:32,277 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:21:32,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:21:32,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:21:32,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:21:32,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:21:32,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:21:32,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:32 BoogieIcfgContainer [2023-11-23 21:21:32,317 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:32,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:32,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:32,320 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:32,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:28" (3/4) ... [2023-11-23 21:21:32,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:32,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:32,327 INFO L158 Benchmark]: Toolchain (without parser) took 6025.03ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 138.3MB in the beginning and 149.4MB in the end (delta: -11.1MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2023-11-23 21:21:32,328 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:32,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.59ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 121.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:21:32,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.37ms. Allocated memory is still 182.5MB. Free memory was 121.5MB in the beginning and 116.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:21:32,337 INFO L158 Benchmark]: Boogie Preprocessor took 87.14ms. Allocated memory is still 182.5MB. Free memory was 116.5MB in the beginning and 113.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:32,338 INFO L158 Benchmark]: RCFGBuilder took 1735.96ms. Allocated memory is still 182.5MB. Free memory was 113.1MB in the beginning and 128.8MB in the end (delta: -15.7MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2023-11-23 21:21:32,340 INFO L158 Benchmark]: TraceAbstraction took 3625.22ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 128.8MB in the beginning and 149.4MB in the end (delta: -20.6MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2023-11-23 21:21:32,341 INFO L158 Benchmark]: Witness Printer took 6.68ms. Allocated memory is still 264.2MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:32,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.59ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 121.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.37ms. Allocated memory is still 182.5MB. Free memory was 121.5MB in the beginning and 116.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.14ms. Allocated memory is still 182.5MB. Free memory was 116.5MB in the beginning and 113.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1735.96ms. Allocated memory is still 182.5MB. Free memory was 113.1MB in the beginning and 128.8MB in the end (delta: -15.7MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3625.22ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 128.8MB in the beginning and 149.4MB in the end (delta: -20.6MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * Witness Printer took 6.68ms. Allocated memory is still 264.2MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 48, overapproximation of bitwiseOr at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] double double_Array_0[2] = { 3.75, 255.5 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L34] unsigned char last_1_unsigned_char_Array_0_0__0__0_ = 2; [L35] unsigned char last_1_unsigned_char_Array_0_0__0__1_ = 0; [L36] unsigned char last_1_unsigned_char_Array_0_1__1__1_ = 32; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L92] EXPR unsigned_char_Array_0[0][0][0] [L92] last_1_unsigned_char_Array_0_0__0__0_ = unsigned_char_Array_0[0][0][0] [L93] EXPR unsigned_char_Array_0[0][0][1] [L93] last_1_unsigned_char_Array_0_0__0__1_ = unsigned_char_Array_0[0][0][1] [L94] EXPR unsigned_char_Array_0[1][1][1] [L94] last_1_unsigned_char_Array_0_1__1__1_ = unsigned_char_Array_0[1][1][1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L75] unsigned_char_Array_0[1][0][0] = __VERIFIER_nondet_uchar() [L76] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L78] unsigned_char_Array_0[0][1][0] = __VERIFIER_nondet_uchar() [L79] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L81] unsigned_char_Array_0[1][1][0] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L84] unsigned_char_Array_0[1][0][1] = __VERIFIER_nondet_uchar() [L85] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L87] unsigned_char_Array_0[0][1][1] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L105] RET updateVariables() [L106] CALL step() [L40] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ [L40] signed long int stepLocal_0 = last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_; [L41] COND FALSE !((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= stepLocal_0) [L44] EXPR unsigned_char_Array_0[0][1][0] [L44] EXPR unsigned_char_Array_0[1][1][0] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L44] EXPR unsigned_char_Array_0[1][1][0] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L44] unsigned_char_Array_0[1][1][1] = (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))) [L46] EXPR BOOL_unsigned_char_Array_0[0] [L46] COND TRUE ! BOOL_unsigned_char_Array_0[0] [L47] BOOL_unsigned_char_Array_0[0] [L47] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L51] EXPR float_Array_0[0] [L51] double_Array_0[0] = float_Array_0[0] [L52] EXPR unsigned_char_Array_0[1][0][0] [L52] unsigned_char_Array_0[0][0][1] = unsigned_char_Array_0[1][0][0] [L53] EXPR float_Array_0[1] [L53] double_Array_0[1] = float_Array_0[1] [L54] EXPR unsigned_char_Array_0[1][0][0] [L54] unsigned char stepLocal_1 = unsigned_char_Array_0[1][0][0]; [L55] EXPR unsigned_char_Array_0[1][1][1] [L55] EXPR unsigned_char_Array_0[1][1][0] [L55] COND TRUE (unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= stepLocal_1 [L56] EXPR float_Array_0[0] [L56] EXPR float_Array_0[2] [L56] EXPR float_Array_0[1] [L56] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L56] EXPR float_Array_0[2] [L56] EXPR float_Array_0[1] [L56] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L56] EXPR float_Array_0[2] [L56] COND FALSE !(((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) [L59] BOOL_unsigned_char_Array_0[0] [L59] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR BOOL_unsigned_char_Array_0[0] [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 [L97] EXPR BOOL_unsigned_char_Array_0[0] [L97] EXPR BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1 [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) [L97] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[0][1][0] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR unsigned_char_Array_0[1][0][0] [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR float_Array_0[0] [L97] EXPR float_Array_0[2] [L97] EXPR float_Array_0[1] [L97] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L97] EXPR float_Array_0[0] [L97] EXPR ((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])) [L97] EXPR float_Array_0[2] [L97] EXPR (((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1) [L97] EXPR unsigned_char_Array_0[0][0][0] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR unsigned_char_Array_0[1][0][1] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]) [L97] EXPR unsigned_char_Array_0[1][0][1] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]) [L97] EXPR (((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1) [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) [L97-L98] return ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 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 21:21:32,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:35,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:35,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:21:35,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:35,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:35,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:35,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:35,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:35,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:35,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:35,307 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:35,308 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:35,309 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:35,310 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:35,311 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:35,312 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:35,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:35,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:35,314 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:35,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:35,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:35,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:35,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:35,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:35,317 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:35,317 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:21:35,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:21:35,318 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:35,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:35,319 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:35,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:35,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:21:35,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:35,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:35,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:35,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:35,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:35,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:35,324 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:21:35,325 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:35,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:35,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:35,326 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:35,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:35,327 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_ab526bc4-e20a-45eb-b706-8e514371a9a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2023-11-23 21:21:35,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:35,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:35,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:35,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:35,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:35,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-23 21:21:38,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:39,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:39,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2023-11-23 21:21:39,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data/67a915634/c72381bdbb5d4e33aa8631a5381d9fbc/FLAG75fff8939 [2023-11-23 21:21:39,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/data/67a915634/c72381bdbb5d4e33aa8631a5381d9fbc [2023-11-23 21:21:39,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:39,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:39,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:39,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:39,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:39,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dda74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39, skipping insertion in model container [2023-11-23 21:21:39,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:39,436 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_ab526bc4-e20a-45eb-b706-8e514371a9a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-23 21:21:39,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:39,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:39,566 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_ab526bc4-e20a-45eb-b706-8e514371a9a8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2023-11-23 21:21:39,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:39,673 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:39,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39 WrapperNode [2023-11-23 21:21:39,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:39,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:39,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:39,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:39,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,772 INFO L138 Inliner]: procedures = 33, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 438 [2023-11-23 21:21:39,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:39,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:39,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:39,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:39,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:39,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:39,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:39,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:39,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (1/1) ... [2023-11-23 21:21:39,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:39,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:40,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 21:21:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 21:21:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:21:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:21:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 21:21:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:21:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:21:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:21:40,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:40,237 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:40,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:42,986 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:43,080 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:43,080 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:43,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:43 BoogieIcfgContainer [2023-11-23 21:21:43,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:43,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:43,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:43,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:43,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:39" (1/3) ... [2023-11-23 21:21:43,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3988c171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:43, skipping insertion in model container [2023-11-23 21:21:43,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:39" (2/3) ... [2023-11-23 21:21:43,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3988c171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:43, skipping insertion in model container [2023-11-23 21:21:43,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:43" (3/3) ... [2023-11-23 21:21:43,107 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2023-11-23 21:21:43,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:43,128 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:43,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:43,195 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;@225177d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:43,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 21:21:43,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:43,219 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:43,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:43,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:43,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1517865241, now seen corresponding path program 1 times [2023-11-23 21:21:43,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:43,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926040905] [2023-11-23 21:21:43,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:43,244 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 21:21:43,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:43,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:43,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:43,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:43,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-23 21:21:43,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:43,736 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:43,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926040905] [2023-11-23 21:21:43,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926040905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:43,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:43,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:43,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713231997] [2023-11-23 21:21:43,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:43,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:43,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:43,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:43,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:43,791 INFO L87 Difference]: Start difference. First operand has 101 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:21:43,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:43,870 INFO L93 Difference]: Finished difference Result 199 states and 312 transitions. [2023-11-23 21:21:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:43,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2023-11-23 21:21:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:43,882 INFO L225 Difference]: With dead ends: 199 [2023-11-23 21:21:43,883 INFO L226 Difference]: Without dead ends: 99 [2023-11-23 21:21:43,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 21:21:43,895 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:43,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:21:43,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-23 21:21:43,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-23 21:21:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:43,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-23 21:21:43,947 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 114 [2023-11-23 21:21:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:43,947 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-23 21:21:43,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:21:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-23 21:21:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 21:21:43,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:43,952 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:43,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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)] Ended with exit code 0 [2023-11-23 21:21:44,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:44,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:44,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:44,154 INFO L85 PathProgramCache]: Analyzing trace with hash 46136977, now seen corresponding path program 1 times [2023-11-23 21:21:44,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:44,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811891336] [2023-11-23 21:21:44,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:44,156 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 21:21:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:44,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:44,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:44,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:21:44,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:21:44,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:44,587 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:44,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811891336] [2023-11-23 21:21:44,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811891336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:44,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:44,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:21:44,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264898618] [2023-11-23 21:21:44,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:44,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:44,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:44,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:44,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:44,593 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:44,715 INFO L93 Difference]: Finished difference Result 224 states and 319 transitions. [2023-11-23 21:21:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:21:44,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-11-23 21:21:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:44,719 INFO L225 Difference]: With dead ends: 224 [2023-11-23 21:21:44,720 INFO L226 Difference]: Without dead ends: 126 [2023-11-23 21:21:44,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:21:44,723 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 49 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:44,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 446 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:21:44,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-23 21:21:44,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2023-11-23 21:21:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2023-11-23 21:21:44,741 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 114 [2023-11-23 21:21:44,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:44,743 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2023-11-23 21:21:44,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2023-11-23 21:21:44,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 21:21:44,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:44,746 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:44,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:44,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:44,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:44,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:44,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1288682049, now seen corresponding path program 1 times [2023-11-23 21:21:44,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:44,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659268108] [2023-11-23 21:21:44,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:44,956 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 21:21:44,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:44,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:44,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:45,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:21:45,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:21:45,390 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:45,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:45,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659268108] [2023-11-23 21:21:45,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659268108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:45,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:45,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:21:45,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798084125] [2023-11-23 21:21:45,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:21:45,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:21:45,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:21:45,398 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:45,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:45,628 INFO L93 Difference]: Finished difference Result 254 states and 359 transitions. [2023-11-23 21:21:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:21:45,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-23 21:21:45,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:45,632 INFO L225 Difference]: With dead ends: 254 [2023-11-23 21:21:45,633 INFO L226 Difference]: Without dead ends: 154 [2023-11-23 21:21:45,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:21:45,638 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 86 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:45,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 662 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:21:45,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-23 21:21:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 102. [2023-11-23 21:21:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2023-11-23 21:21:45,667 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 116 [2023-11-23 21:21:45,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:45,669 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2023-11-23 21:21:45,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2023-11-23 21:21:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:21:45,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:45,678 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:45,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:45,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:45,886 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:45,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:45,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1953839654, now seen corresponding path program 1 times [2023-11-23 21:21:45,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:45,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103082482] [2023-11-23 21:21:45,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:45,889 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 21:21:45,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:45,890 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:45,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:21:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:46,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:21:46,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:21:46,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:46,305 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:46,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103082482] [2023-11-23 21:21:46,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103082482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:46,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:46,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:21:46,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867522069] [2023-11-23 21:21:46,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:46,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:46,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:46,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:46,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:46,309 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:48,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:51,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:51,833 INFO L93 Difference]: Finished difference Result 225 states and 317 transitions. [2023-11-23 21:21:51,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:21:51,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-23 21:21:51,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:51,836 INFO L225 Difference]: With dead ends: 225 [2023-11-23 21:21:51,836 INFO L226 Difference]: Without dead ends: 124 [2023-11-23 21:21:51,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:21:51,839 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 78 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:51,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 286 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-23 21:21:51,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-23 21:21:51,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2023-11-23 21:21:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3333333333333333) internal successors, (108), 81 states have internal predecessors, (108), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2023-11-23 21:21:51,851 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 118 [2023-11-23 21:21:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:51,851 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2023-11-23 21:21:51,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2023-11-23 21:21:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:21:51,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:51,854 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:51,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:52,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:52,066 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:52,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:52,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1971953921, now seen corresponding path program 1 times [2023-11-23 21:21:52,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:52,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048148213] [2023-11-23 21:21:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:52,070 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 21:21:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:52,072 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:52,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:52,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:21:52,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:21:52,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:52,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:52,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048148213] [2023-11-23 21:21:52,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048148213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:52,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:52,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:21:52,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005349347] [2023-11-23 21:21:52,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:52,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:52,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:52,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:52,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:52,411 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:52,659 INFO L93 Difference]: Finished difference Result 205 states and 288 transitions. [2023-11-23 21:21:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:21:52,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-23 21:21:52,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:52,662 INFO L225 Difference]: With dead ends: 205 [2023-11-23 21:21:52,663 INFO L226 Difference]: Without dead ends: 109 [2023-11-23 21:21:52,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:21:52,664 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 21 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:52,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 387 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:21:52,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-23 21:21:52,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 99. [2023-11-23 21:21:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3253012048192772) internal successors, (110), 83 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2023-11-23 21:21:52,681 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 118 [2023-11-23 21:21:52,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:52,682 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2023-11-23 21:21:52,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2023-11-23 21:21:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:21:52,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:52,684 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:52,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:52,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:52,897 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:52,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1162607295, now seen corresponding path program 1 times [2023-11-23 21:21:52,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:52,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276691113] [2023-11-23 21:21:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:52,899 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 21:21:52,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:52,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:52,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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)] Waiting until timeout for monitored process [2023-11-23 21:21:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:53,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:21:53,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:21:53,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:53,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:53,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276691113] [2023-11-23 21:21:53,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276691113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:53,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:53,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:21:53,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285703633] [2023-11-23 21:21:53,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:53,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:21:53,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:53,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:21:53,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:21:53,238 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:53,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:53,472 INFO L93 Difference]: Finished difference Result 210 states and 293 transitions. [2023-11-23 21:21:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:21:53,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-23 21:21:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:53,475 INFO L225 Difference]: With dead ends: 210 [2023-11-23 21:21:53,475 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 21:21:53,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:21:53,476 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 24 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:53,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 511 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:21:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 21:21:53,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 101. [2023-11-23 21:21:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 85 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 140 transitions. [2023-11-23 21:21:53,509 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 140 transitions. Word has length 118 [2023-11-23 21:21:53,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:53,510 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 140 transitions. [2023-11-23 21:21:53,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2023-11-23 21:21:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:21:53,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:53,515 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:53,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:53,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:53,721 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:53,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1219865597, now seen corresponding path program 1 times [2023-11-23 21:21:53,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:53,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784512758] [2023-11-23 21:21:53,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:53,723 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 21:21:53,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:53,724 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:53,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:53,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:21:53,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:21:54,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:54,083 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:54,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784512758] [2023-11-23 21:21:54,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784512758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:54,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:54,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:21:54,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364532168] [2023-11-23 21:21:54,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:54,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:21:54,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:54,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:21:54,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:21:54,086 INFO L87 Difference]: Start difference. First operand 101 states and 140 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:54,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:54,570 INFO L93 Difference]: Finished difference Result 213 states and 294 transitions. [2023-11-23 21:21:54,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:21:54,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-23 21:21:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:54,572 INFO L225 Difference]: With dead ends: 213 [2023-11-23 21:21:54,572 INFO L226 Difference]: Without dead ends: 113 [2023-11-23 21:21:54,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:21:54,574 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 19 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:54,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 628 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:21:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-23 21:21:54,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 103. [2023-11-23 21:21:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 87 states have internal predecessors, (114), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:21:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 142 transitions. [2023-11-23 21:21:54,583 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 142 transitions. Word has length 118 [2023-11-23 21:21:54,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:54,584 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 142 transitions. [2023-11-23 21:21:54,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:21:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2023-11-23 21:21:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:21:54,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:54,587 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:54,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:54,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:54,808 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:54,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:54,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1219925179, now seen corresponding path program 1 times [2023-11-23 21:21:54,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:54,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075561578] [2023-11-23 21:21:54,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:54,810 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 21:21:54,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:54,811 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:54,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:21:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:55,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 21:21:55,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:55,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 21:21:55,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 21:21:56,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 21:21:56,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 21:21:56,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:56,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 37 [2023-11-23 21:21:56,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:56,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 57 [2023-11-23 21:21:56,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2023-11-23 21:21:56,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:56,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 58 [2023-11-23 21:21:56,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:56,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 77 treesize of output 31 [2023-11-23 21:21:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:21:57,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:57,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:57,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075561578] [2023-11-23 21:21:57,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075561578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:57,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:57,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 21:21:57,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042523389] [2023-11-23 21:21:57,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:57,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 21:21:57,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:57,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 21:21:57,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:21:57,239 INFO L87 Difference]: Start difference. First operand 103 states and 142 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:22:02,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:04,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:08,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:22:10,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:12,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:13,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:13,357 INFO L93 Difference]: Finished difference Result 326 states and 443 transitions. [2023-11-23 21:22:13,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 21:22:13,363 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-23 21:22:13,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:13,366 INFO L225 Difference]: With dead ends: 326 [2023-11-23 21:22:13,366 INFO L226 Difference]: Without dead ends: 224 [2023-11-23 21:22:13,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:22:13,368 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 580 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:13,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 597 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2023-11-23 21:22:13,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-23 21:22:13,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 120. [2023-11-23 21:22:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 104 states have (on average 1.3076923076923077) internal successors, (136), 104 states have internal predecessors, (136), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:22:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 164 transitions. [2023-11-23 21:22:13,381 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 164 transitions. Word has length 118 [2023-11-23 21:22:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:13,382 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 164 transitions. [2023-11-23 21:22:13,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:22:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-11-23 21:22:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:22:13,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:13,385 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:13,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:13,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:22:13,592 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:13,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash -862419118, now seen corresponding path program 1 times [2023-11-23 21:22:13,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:13,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628364111] [2023-11-23 21:22:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:13,593 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 21:22:13,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:13,594 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:22:13,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 (10)] Waiting until timeout for monitored process [2023-11-23 21:22:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:13,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:22:13,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:13,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-23 21:22:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:22:14,281 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:14,282 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:14,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628364111] [2023-11-23 21:22:14,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628364111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:14,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:14,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:14,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964030248] [2023-11-23 21:22:14,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:14,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:22:14,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:14,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:22:14,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:22:14,284 INFO L87 Difference]: Start difference. First operand 120 states and 164 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:22:16,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:16,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:16,753 INFO L93 Difference]: Finished difference Result 357 states and 489 transitions. [2023-11-23 21:22:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:22:16,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-23 21:22:16,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:16,756 INFO L225 Difference]: With dead ends: 357 [2023-11-23 21:22:16,757 INFO L226 Difference]: Without dead ends: 238 [2023-11-23 21:22:16,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:16,758 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 69 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:16,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 326 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:22:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-23 21:22:16,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 200. [2023-11-23 21:22:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 169 states have (on average 1.3076923076923077) internal successors, (221), 169 states have internal predecessors, (221), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:22:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 277 transitions. [2023-11-23 21:22:16,779 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 277 transitions. Word has length 118 [2023-11-23 21:22:16,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:16,780 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 277 transitions. [2023-11-23 21:22:16,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:22:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 277 transitions. [2023-11-23 21:22:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:22:16,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:16,782 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:16,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:16,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:22:16,988 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:16,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:16,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1236144700, now seen corresponding path program 1 times [2023-11-23 21:22:16,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:16,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310621629] [2023-11-23 21:22:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:16,990 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 21:22:16,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:16,991 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 21:22:16,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab526bc4-e20a-45eb-b706-8e514371a9a8/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 (11)] Waiting until timeout for monitored process [2023-11-23 21:22:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:17,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:22:17,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:17,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-23 21:22:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:22:17,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:17,755 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:17,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310621629] [2023-11-23 21:22:17,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310621629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:17,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:17,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:22:17,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376525155] [2023-11-23 21:22:17,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:17,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:17,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:17,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:17,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:17,757 INFO L87 Difference]: Start difference. First operand 200 states and 277 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:22:20,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]