./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91 --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 e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:50:28,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:28,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:50:28,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:28,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:28,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:28,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:28,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:28,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:28,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:28,351 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:28,352 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:28,352 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:28,354 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:50:28,355 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:28,355 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:28,356 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:50:28,356 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:50:28,357 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:28,357 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:50:28,358 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:50:28,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:50:28,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:28,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:28,360 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:28,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:50:28,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:28,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:28,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:28,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:28,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:28,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:28,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:28,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:28,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:28,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:28,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:28,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:28,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:28,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:28,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:28,368 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:50:28,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:50:28,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:28,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:28,369 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:28,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:28,370 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_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d [2023-11-24 23:50:28,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:28,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:28,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:28,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:28,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:28,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-24 23:50:32,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:32,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:32,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-24 23:50:32,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data/83831dad8/cbbd40b3969a493abc08a45be1b4d793/FLAG3ffd0a671 [2023-11-24 23:50:32,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data/83831dad8/cbbd40b3969a493abc08a45be1b4d793 [2023-11-24 23:50:32,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:32,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:32,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:32,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:32,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:32,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:32" (1/1) ... [2023-11-24 23:50:32,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34484e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:32, skipping insertion in model container [2023-11-24 23:50:32,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:32" (1/1) ... [2023-11-24 23:50:32,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:32,738 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_794313b4-a658-4bd6-826c-be0eba915904/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-24 23:50:32,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:32,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:32,912 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_794313b4-a658-4bd6-826c-be0eba915904/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-24 23:50:32,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:33,013 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:33,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33 WrapperNode [2023-11-24 23:50:33,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:33,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:33,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:33,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:33,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,137 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-24 23:50:33,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:33,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:33,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:33,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:33,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:33,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:33,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:33,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:33,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (1/1) ... [2023-11-24 23:50:33,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:33,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:33,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:33,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:50:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:50:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:50:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:33,422 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:33,425 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:34,101 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:34,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:34,440 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:34,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:34 BoogieIcfgContainer [2023-11-24 23:50:34,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:34,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:34,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:34,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:34,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:50:32" (1/3) ... [2023-11-24 23:50:34,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4f859d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:34, skipping insertion in model container [2023-11-24 23:50:34,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:33" (2/3) ... [2023-11-24 23:50:34,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4f859d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:34, skipping insertion in model container [2023-11-24 23:50:34,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:34" (3/3) ... [2023-11-24 23:50:34,462 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-24 23:50:34,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:34,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:34,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:34,573 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;@3e2a62f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:34,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-24 23:50:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-24 23:50:34,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:34,604 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:34,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:34,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:34,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1436225358, now seen corresponding path program 1 times [2023-11-24 23:50:34,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:50:34,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540206688] [2023-11-24 23:50:34,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:50:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:35,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:50:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:35,811 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:50:35,813 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:50:35,815 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:50:35,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:50:35,823 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:50:35,831 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:50:36,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:50:36 BoogieIcfgContainer [2023-11-24 23:50:36,075 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:50:36,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:50:36,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:50:36,078 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:50:36,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:34" (3/4) ... [2023-11-24 23:50:36,084 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:50:36,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:50:36,087 INFO L158 Benchmark]: Toolchain (without parser) took 3663.60ms. Allocated memory is still 172.0MB. Free memory was 135.9MB in the beginning and 137.6MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:36,087 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:36,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.69ms. Allocated memory is still 172.0MB. Free memory was 135.9MB in the beginning and 133.1MB in the end (delta: 2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.35ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 129.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,091 INFO L158 Benchmark]: Boogie Preprocessor took 55.47ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,098 INFO L158 Benchmark]: RCFGBuilder took 1247.21ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 84.9MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,098 INFO L158 Benchmark]: TraceAbstraction took 1625.67ms. Allocated memory is still 172.0MB. Free memory was 83.9MB in the beginning and 137.6MB in the end (delta: -53.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-24 23:50:36,101 INFO L158 Benchmark]: Witness Printer took 8.70ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 137.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:36,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.69ms. Allocated memory is still 172.0MB. Free memory was 135.9MB in the beginning and 133.1MB in the end (delta: 2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.35ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 129.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.47ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1247.21ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 84.9MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1625.67ms. Allocated memory is still 172.0MB. Free memory was 83.9MB in the beginning and 137.6MB in the end (delta: -53.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Witness Printer took 8.70ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 137.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 167, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 167. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int var_1_32 = 16; [L45] unsigned short int var_1_33 = 1; [L46] unsigned short int var_1_34 = 2; [L47] unsigned char var_1_35 = 0; [L48] unsigned char var_1_36 = 0; [L49] unsigned char var_1_37 = 1; [L50] unsigned char var_1_38 = 1; [L51] unsigned char var_1_39 = 5; [L52] unsigned char var_1_40 = 0; [L53] unsigned char var_1_41 = 100; [L54] unsigned short int last_1_var_1_9 = 4; [L171] isInitial = 1 [L172] FCALL initially() [L173] COND TRUE 1 [L174] CALL updateLastVariables() [L164] last_1_var_1_9 = var_1_9 [L174] RET updateLastVariables() [L175] CALL updateVariables() [L108] var_1_4 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_6=1, var_1_8=-10, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L111] var_1_6 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_8=-10, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L114] var_1_8 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L116] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L117] var_1_10 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L119] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L120] var_1_12 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L122] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L123] var_1_13 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L125] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L126] var_1_18 = __VERIFIER_nondet_char() [L127] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L128] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L129] var_1_19 = __VERIFIER_nondet_char() [L130] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L131] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L132] var_1_20 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L134] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L135] var_1_21 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L137] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L138] var_1_22 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L140] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L141] var_1_25 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L143] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L144] var_1_28 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L146] var_1_29 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L148] var_1_30 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=1, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L150] var_1_33 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L153] var_1_35 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L156] var_1_37 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_37 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_37 >= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_37 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_37 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=0, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L159] var_1_40 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_40 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_40 <= 254) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=50, var_1_18=94, var_1_19=126, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_33=65534, var_1_34=2, var_1_35=1, var_1_36=0, var_1_37=1, var_1_38=1, var_1_39=5, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=4] [L175] RET updateVariables() [L176] CALL step() [L58] var_1_32 = var_1_33 [L59] COND TRUE \read(var_1_35) [L60] var_1_34 = var_1_33 [L62] var_1_36 = var_1_37 [L63] var_1_38 = 1 [L64] var_1_39 = var_1_40 [L65] EXPR (-1000000000 + var_1_32) & var_1_40 [L65] COND FALSE !(((-1000000000 + var_1_32) & var_1_40) > var_1_33) [L68] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) [L71] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) [L72] COND FALSE !(\read(var_1_4)) [L75] var_1_24 = (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)) [L77] var_1_31 = var_1_30 [L78] COND FALSE !(var_1_23 < var_1_23) [L89] var_1_1 = var_1_8 [L91] signed char stepLocal_0 = var_1_1; [L92] COND TRUE stepLocal_0 < (-1 - var_1_10) [L93] COND FALSE !(\read(var_1_24)) [L96] var_1_9 = ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23))))) [L101] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L104] var_1_27 = var_1_28 [L176] RET step() [L177] CALL, EXPR property() [L167-L168] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; [L177] RET, EXPR property() [L177] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=-1, var_1_18=94, var_1_19=126, var_1_1=-127, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=65540, var_1_28=65540, var_1_30=65539, var_1_31=65539, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=1, var_1_36=1, var_1_37=1, var_1_38=1, var_1_39=254, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=24590] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=4, var_1_10=1, var_1_12=49150, var_1_13=24591, var_1_17=-1, var_1_18=94, var_1_19=126, var_1_1=-127, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=0, var_1_25=0, var_1_27=65540, var_1_28=65540, var_1_30=65539, var_1_31=65539, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=1, var_1_36=1, var_1_37=1, var_1_38=1, var_1_39=254, var_1_40=254, var_1_41=100, var_1_4=0, var_1_6=1, var_1_8=-127, var_1_9=24590] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 35, 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=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 [2023-11-24 23:50:36,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91 --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 e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:50:39,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:39,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:50:39,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:39,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:39,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:39,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:39,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:39,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:39,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:39,563 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:39,564 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:39,564 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:39,566 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:39,567 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:39,568 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:39,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:39,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:39,570 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:39,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:39,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:39,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:39,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:39,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:39,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:50:39,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:50:39,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:50:39,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:39,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:39,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:39,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:39,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:50:39,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:39,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:39,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:39,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:39,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:39,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:39,582 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:50:39,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:50:39,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:39,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:39,585 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:39,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:39,586 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_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ddf029d6c8d316304cb4ddcdbc5422251d87289b8ada843d8e8cc5a57a2c2d [2023-11-24 23:50:40,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:40,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:40,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:40,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:40,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:40,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-24 23:50:43,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:44,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:44,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-24 23:50:44,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data/ab950ebe9/911fbdc1a2a44cd9a4d7307179323c4e/FLAG7e3918949 [2023-11-24 23:50:44,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/data/ab950ebe9/911fbdc1a2a44cd9a4d7307179323c4e [2023-11-24 23:50:44,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:44,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:44,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:44,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:44,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:44,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546b53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44, skipping insertion in model container [2023-11-24 23:50:44,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:44,515 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_794313b4-a658-4bd6-826c-be0eba915904/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-24 23:50:44,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:44,696 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:44,719 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_794313b4-a658-4bd6-826c-be0eba915904/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-96.i[915,928] [2023-11-24 23:50:44,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:44,815 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:44,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44 WrapperNode [2023-11-24 23:50:44,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:44,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:44,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:44,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:44,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,917 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-24 23:50:44,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:44,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:44,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:44,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:44,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:44,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:45,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:45,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:45,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:45,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (1/1) ... [2023-11-24 23:50:45,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:45,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:45,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:45,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:50:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:50:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:50:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:45,322 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:45,326 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:47,520 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:47,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:47,642 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:47,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:47 BoogieIcfgContainer [2023-11-24 23:50:47,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:47,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:47,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:47,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:47,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:50:44" (1/3) ... [2023-11-24 23:50:47,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716f2cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:47, skipping insertion in model container [2023-11-24 23:50:47,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:44" (2/3) ... [2023-11-24 23:50:47,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716f2cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:47, skipping insertion in model container [2023-11-24 23:50:47,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:47" (3/3) ... [2023-11-24 23:50:47,654 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-96.i [2023-11-24 23:50:47,678 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:47,678 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:47,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:47,749 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;@936ceef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:47,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:47,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-24 23:50:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-24 23:50:47,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:47,791 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:47,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:47,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:47,803 INFO L85 PathProgramCache]: Analyzing trace with hash 116231618, now seen corresponding path program 1 times [2023-11-24 23:50:47,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:47,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426262568] [2023-11-24 23:50:47,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:47,825 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 [2023-11-24 23:50:47,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:47,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:50:47,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:50:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:48,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:50:48,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:48,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2023-11-24 23:50:48,444 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:48,445 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:48,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426262568] [2023-11-24 23:50:48,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426262568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:48,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:48,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:50:48,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008654934] [2023-11-24 23:50:48,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:48,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:50:48,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:48,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:50:48,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:50:48,521 INFO L87 Difference]: Start difference. First operand has 82 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-24 23:50:50,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:50,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:50:50,692 INFO L93 Difference]: Finished difference Result 158 states and 287 transitions. [2023-11-24 23:50:50,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:50:50,716 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 210 [2023-11-24 23:50:50,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:50:50,727 INFO L225 Difference]: With dead ends: 158 [2023-11-24 23:50:50,727 INFO L226 Difference]: Without dead ends: 77 [2023-11-24 23:50:50,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:50:50,737 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:50:50,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-24 23:50:50,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-24 23:50:50,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-24 23:50:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-24 23:50:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 118 transitions. [2023-11-24 23:50:50,802 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 118 transitions. Word has length 210 [2023-11-24 23:50:50,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:50:50,803 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 118 transitions. [2023-11-24 23:50:50,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-24 23:50:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2023-11-24 23:50:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-24 23:50:50,812 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:50,812 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:50,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:50:51,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:50:51,023 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:51,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:51,024 INFO L85 PathProgramCache]: Analyzing trace with hash -173631492, now seen corresponding path program 1 times [2023-11-24 23:50:51,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:51,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738111090] [2023-11-24 23:50:51,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:51,027 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 [2023-11-24 23:50:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:51,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:50:51,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:50:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:51,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:50:51,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-24 23:50:52,592 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:52,593 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:52,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738111090] [2023-11-24 23:50:52,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738111090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:52,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:52,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:50:52,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741282667] [2023-11-24 23:50:52,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:52,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:50:52,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:52,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:50:52,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:50:52,600 INFO L87 Difference]: Start difference. First operand 77 states and 118 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-24 23:50:54,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:56,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:58,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:00,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:01,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:51:01,165 INFO L93 Difference]: Finished difference Result 230 states and 353 transitions. [2023-11-24 23:51:01,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:51:01,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 210 [2023-11-24 23:51:01,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:51:01,199 INFO L225 Difference]: With dead ends: 230 [2023-11-24 23:51:01,199 INFO L226 Difference]: Without dead ends: 154 [2023-11-24 23:51:01,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:51:01,203 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 56 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 71 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:51:01,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 337 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2023-11-24 23:51:01,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-24 23:51:01,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 140. [2023-11-24 23:51:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 67 states have internal predecessors, (77), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-24 23:51:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 217 transitions. [2023-11-24 23:51:01,267 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 217 transitions. Word has length 210 [2023-11-24 23:51:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:51:01,269 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 217 transitions. [2023-11-24 23:51:01,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-24 23:51:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 217 transitions. [2023-11-24 23:51:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-24 23:51:01,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:01,275 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:51:01,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:01,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:01,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:51:01,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:51:01,487 INFO L85 PathProgramCache]: Analyzing trace with hash 527433086, now seen corresponding path program 1 times [2023-11-24 23:51:01,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:51:01,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483453298] [2023-11-24 23:51:01,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:01,489 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 [2023-11-24 23:51:01,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:51:01,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:51:01,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:01,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:51:01,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1464 proven. 180 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2023-11-24 23:51:04,307 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:51:04,619 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:51:04,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483453298] [2023-11-24 23:51:04,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483453298] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:51:04,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1419609730] [2023-11-24 23:51:04,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:04,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:51:04,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:51:04,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:51:04,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:51:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:05,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:51:05,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1014 proven. 72 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked. [2023-11-24 23:51:06,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:51:06,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1419609730] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:51:06,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608567022] [2023-11-24 23:51:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:06,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:51:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:51:06,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:51:06,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 23:51:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:07,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:51:07,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1014 proven. 72 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked. [2023-11-24 23:51:07,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:51:07,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608567022] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:51:07,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 23:51:07,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 13 [2023-11-24 23:51:07,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54791603] [2023-11-24 23:51:07,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 23:51:07,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-24 23:51:07,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:51:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-24 23:51:07,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2023-11-24 23:51:07,883 INFO L87 Difference]: Start difference. First operand 140 states and 217 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-11-24 23:51:10,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:12,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:13,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:17,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:18,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:51:18,936 INFO L93 Difference]: Finished difference Result 340 states and 489 transitions. [2023-11-24 23:51:18,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-24 23:51:18,944 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 210 [2023-11-24 23:51:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:51:18,954 INFO L225 Difference]: With dead ends: 340 [2023-11-24 23:51:18,959 INFO L226 Difference]: Without dead ends: 264 [2023-11-24 23:51:18,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=400, Invalid=1082, Unknown=0, NotChecked=0, Total=1482 [2023-11-24 23:51:18,963 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 133 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 139 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:51:18,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 403 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 517 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2023-11-24 23:51:18,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-24 23:51:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 242. [2023-11-24 23:51:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 123 states have (on average 1.089430894308943) internal successors, (134), 124 states have internal predecessors, (134), 105 states have call successors, (105), 13 states have call predecessors, (105), 13 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-11-24 23:51:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 344 transitions. [2023-11-24 23:51:19,062 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 344 transitions. Word has length 210 [2023-11-24 23:51:19,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:51:19,064 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 344 transitions. [2023-11-24 23:51:19,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (58), 4 states have call predecessors, (58), 7 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-11-24 23:51:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 344 transitions. [2023-11-24 23:51:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-24 23:51:19,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:19,072 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:51:19,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-24 23:51:19,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:19,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:51:19,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:51:19,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:51:19,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:51:19,691 INFO L85 PathProgramCache]: Analyzing trace with hash 527492668, now seen corresponding path program 1 times [2023-11-24 23:51:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:51:19,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887145548] [2023-11-24 23:51:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:19,693 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 [2023-11-24 23:51:19,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:51:19,695 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:51:19,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:20,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:51:20,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-24 23:51:20,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:51:20,111 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:51:20,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887145548] [2023-11-24 23:51:20,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887145548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:51:20,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:51:20,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:51:20,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879191335] [2023-11-24 23:51:20,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:51:20,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:51:20,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:51:20,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:51:20,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:51:20,114 INFO L87 Difference]: Start difference. First operand 242 states and 344 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-24 23:51:22,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:22,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:51:22,104 INFO L93 Difference]: Finished difference Result 417 states and 586 transitions. [2023-11-24 23:51:22,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:51:22,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 210 [2023-11-24 23:51:22,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:51:22,113 INFO L225 Difference]: With dead ends: 417 [2023-11-24 23:51:22,114 INFO L226 Difference]: Without dead ends: 250 [2023-11-24 23:51:22,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:51:22,118 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 93 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:51:22,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 272 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-24 23:51:22,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-24 23:51:22,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 234. [2023-11-24 23:51:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 122 states have (on average 1.0737704918032787) internal successors, (131), 123 states have internal predecessors, (131), 97 states have call successors, (97), 14 states have call predecessors, (97), 14 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2023-11-24 23:51:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 325 transitions. [2023-11-24 23:51:22,160 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 325 transitions. Word has length 210 [2023-11-24 23:51:22,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:51:22,161 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 325 transitions. [2023-11-24 23:51:22,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-24 23:51:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 325 transitions. [2023-11-24 23:51:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-24 23:51:22,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:22,165 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:51:22,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:22,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:22,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:51:22,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:51:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash 785658106, now seen corresponding path program 1 times [2023-11-24 23:51:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:51:22,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124415268] [2023-11-24 23:51:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:22,376 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 [2023-11-24 23:51:22,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:51:22,377 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:51:22,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794313b4-a658-4bd6-826c-be0eba915904/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:22,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:51:22,815 INFO L285 TraceCheckSpWp]: Computing forward predicates...