./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:28,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:28,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:35:28,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:28,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:28,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:28,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:28,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:28,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:28,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:28,268 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:28,268 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:28,269 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:28,271 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:35:28,271 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:28,271 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:28,272 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:35:28,272 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:35:28,273 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:28,273 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:35:28,274 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:35:28,274 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:35:28,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:28,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:28,276 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:28,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:28,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:28,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:28,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:28,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:28,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:28,280 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:28,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:28,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:28,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:28,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:28,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:28,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:28,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:28,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:28,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:28,284 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:35:28,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:35:28,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:28,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:28,286 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:28,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:28,286 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_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b [2023-11-23 20:35:28,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:28,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:28,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:28,583 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:28,585 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:28,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-23 20:35:31,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:32,144 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:32,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-23 20:35:32,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data/679a5582e/cead68e917f24ed2a3f9f24d73dfd5d7/FLAG461a77ae1 [2023-11-23 20:35:32,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data/679a5582e/cead68e917f24ed2a3f9f24d73dfd5d7 [2023-11-23 20:35:32,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:32,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:32,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:32,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:32,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:32,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3729627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32, skipping insertion in model container [2023-11-23 20:35:32,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:32,411 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_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-23 20:35:32,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:32,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:32,543 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_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-23 20:35:32,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:32,604 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:32,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32 WrapperNode [2023-11-23 20:35:32,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:32,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:32,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:32,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:32,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,730 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2023-11-23 20:35:32,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:32,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:32,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:32,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:32,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:32,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:32,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:32,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:32,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (1/1) ... [2023-11-23 20:35:32,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:32,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:32,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:32,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:35:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:33,045 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:33,048 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:33,614 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:33,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:33,997 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:33,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:33 BoogieIcfgContainer [2023-11-23 20:35:33,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:34,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:34,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:34,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:34,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:32" (1/3) ... [2023-11-23 20:35:34,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fc0922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:34, skipping insertion in model container [2023-11-23 20:35:34,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:32" (2/3) ... [2023-11-23 20:35:34,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fc0922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:34, skipping insertion in model container [2023-11-23 20:35:34,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:33" (3/3) ... [2023-11-23 20:35:34,014 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-23 20:35:34,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:34,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:34,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:34,105 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;@5bc48e52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:34,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:34,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:35:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:35:34,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:34,121 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:34,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:34,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:34,128 INFO L85 PathProgramCache]: Analyzing trace with hash -460406885, now seen corresponding path program 1 times [2023-11-23 20:35:34,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:35:34,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876776211] [2023-11-23 20:35:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:34,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:35:34,398 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:35:34,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889441125] [2023-11-23 20:35:34,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:34,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:35:34,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:34,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:35:34,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:35:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:34,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:35:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:34,930 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:35:34,933 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:35:34,934 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:35:34,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 20:35:35,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:35:35,164 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:35:35,167 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:35:35,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:35:35 BoogieIcfgContainer [2023-11-23 20:35:35,354 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:35:35,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:35:35,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:35:35,355 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:35:35,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:33" (3/4) ... [2023-11-23 20:35:35,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:35:35,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:35:35,362 INFO L158 Benchmark]: Toolchain (without parser) took 3171.02ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 77.3MB in the beginning and 100.2MB in the end (delta: -22.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-23 20:35:35,362 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:35,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.88ms. Allocated memory is still 121.6MB. Free memory was 77.3MB in the beginning and 61.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:35:35,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.06ms. Allocated memory is still 121.6MB. Free memory was 61.7MB in the beginning and 93.1MB in the end (delta: -31.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-23 20:35:35,373 INFO L158 Benchmark]: Boogie Preprocessor took 47.06ms. Allocated memory is still 121.6MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:35:35,373 INFO L158 Benchmark]: RCFGBuilder took 1220.01ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 91.0MB in the beginning and 97.2MB in the end (delta: -6.2MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-11-23 20:35:35,375 INFO L158 Benchmark]: TraceAbstraction took 1350.05ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 100.2MB in the end (delta: -4.0MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-23 20:35:35,375 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 148.9MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:35,381 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.88ms. Allocated memory is still 121.6MB. Free memory was 77.3MB in the beginning and 61.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.06ms. Allocated memory is still 121.6MB. Free memory was 61.7MB in the beginning and 93.1MB in the end (delta: -31.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.06ms. Allocated memory is still 121.6MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1220.01ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 91.0MB in the beginning and 97.2MB in the end (delta: -6.2MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1350.05ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 100.2MB in the end (delta: -4.0MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 148.9MB. Free memory is still 100.2MB. 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 65, overapproximation of bitwiseOr at line 66, overapproximation of shiftRight at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someUnaryFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned short int var_1_6 = 25; [L27] double var_1_9 = 999.625; [L28] unsigned short int var_1_11 = 5; [L29] signed short int var_1_12 = 2; [L30] signed long int var_1_13 = -256; [L31] double var_1_14 = 127.75; [L32] double var_1_15 = 9.75; [L33] float var_1_16 = 32.8; [L34] float var_1_17 = 32.5; [L35] float var_1_18 = 1.75; [L36] float var_1_19 = 1000000000000000.4; [L37] float var_1_20 = 0.875; [L38] unsigned char var_1_21 = 0; [L39] unsigned char var_1_22 = 0; [L40] signed short int var_1_23 = 64; [L41] signed short int var_1_24 = 25; [L42] signed short int var_1_25 = 0; [L43] float var_1_26 = 128.2; [L44] signed long int var_1_28 = -100000; [L45] signed char var_1_30 = -25; [L46] signed char var_1_33 = 32; [L47] signed char var_1_34 = -4; [L48] unsigned long int var_1_35 = 1; [L49] double var_1_39 = 7.75; [L50] float var_1_41 = 255.2; [L51] unsigned char var_1_42 = 25; [L52] unsigned char var_1_43 = 64; [L53] unsigned char var_1_44 = 1; [L54] float var_1_45 = 255.5; [L55] float var_1_46 = 10.55; [L56] signed short int last_1_var_1_12 = 2; [L57] signed long int last_1_var_1_13 = -256; [L58] double last_1_var_1_14 = 127.75; [L59] unsigned char last_1_var_1_21 = 0; [L195] isInitial = 1 [L196] FCALL initially() [L197] COND TRUE 1 [L198] CALL updateLastVariables() [L185] last_1_var_1_12 = var_1_12 [L186] last_1_var_1_13 = var_1_13 [L187] last_1_var_1_14 = var_1_14 [L188] last_1_var_1_21 = var_1_21 [L198] RET updateLastVariables() [L199] CALL updateVariables() [L138] var_1_3 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L140] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L141] var_1_4 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L143] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L144] var_1_5 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L146] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L149] var_1_11 = __VERIFIER_nondet_ushort() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L151] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L152] var_1_15 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L154] var_1_17 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L156] var_1_18 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L158] var_1_19 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L160] var_1_20 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L162] var_1_22 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L164] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L165] var_1_24 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L167] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L168] var_1_25 = __VERIFIER_nondet_short() [L169] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L170] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L171] var_1_33 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_33 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_33 >= -126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L173] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L174] var_1_34 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_34 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_34 >= -63) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L176] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L177] var_1_43 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L179] CALL assume_abort_if_not(var_1_43 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_43 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L180] var_1_44 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L182] CALL assume_abort_if_not(var_1_44 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_44 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L199] RET updateVariables() [L200] CALL step() [L63] var_1_26 = var_1_18 [L64] var_1_28 = var_1_6 [L65] COND TRUE var_1_20 <= var_1_18 [L66] EXPR var_1_11 | ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) [L66] COND FALSE !((var_1_11 | ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))) >= (var_1_24 + var_1_6)) [L72] COND FALSE !(! var_1_22) [L79] COND TRUE 32u >= (((((var_1_6) > (var_1_11)) ? (var_1_6) : (var_1_11))) % 16u) [L80] COND FALSE !((-5 > var_1_25) && (var_1_6 <= ((((var_1_34) > (var_1_12)) ? (var_1_34) : (var_1_12))))) [L83] var_1_39 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L90] var_1_41 = ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) < (var_1_20)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (var_1_20))) [L91] EXPR var_1_11 | var_1_6 [L91] COND FALSE !(var_1_33 < (var_1_11 | var_1_6)) [L94] var_1_45 = 2.71f [L95] var_1_46 = var_1_17 [L96] COND FALSE !(\read(last_1_var_1_21)) [L99] var_1_1 = (var_1_3 && var_1_5) [L101] COND TRUE var_1_18 > var_1_9 [L102] var_1_23 = (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))) [L106] signed long int stepLocal_0 = last_1_var_1_12; [L107] COND TRUE last_1_var_1_12 >= stepLocal_0 [L108] COND TRUE (var_1_9 - 1.00000000000025E12) >= last_1_var_1_14 [L109] var_1_6 = 200 [L116] unsigned short int stepLocal_1 = var_1_6; [L117] COND FALSE !(var_1_11 > stepLocal_1) [L120] EXPR var_1_11 >> var_1_6 [L120] COND FALSE !((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) [L123] var_1_14 = var_1_15 [L125] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L126] unsigned short int stepLocal_3 = var_1_11; [L127] COND FALSE !(stepLocal_3 == var_1_6) [L130] unsigned short int stepLocal_2 = var_1_6; [L131] COND FALSE !(stepLocal_2 == var_1_12) [L200] RET step() [L201] CALL, EXPR property() [L191] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L191-L192] return (((((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))))) : (var_1_23 == ((signed short int) (last_1_var_1_13 + 1)))) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=3, var_1_15=3, var_1_16=6, var_1_17=5, var_1_18=7, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=7, var_1_28=25, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=2, var_1_3=1, var_1_41=4, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=271/100, var_1_46=5, var_1_4=0, var_1_5=1, var_1_6=200] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=3, var_1_15=3, var_1_16=6, var_1_17=5, var_1_18=7, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=7, var_1_28=25, var_1_30=-25, var_1_33=25, var_1_34=-63, var_1_35=1, var_1_39=2, var_1_3=1, var_1_41=4, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=271/100, var_1_46=5, var_1_4=0, var_1_5=1, var_1_6=200] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:35:35,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:38,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:38,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:35:38,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:38,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:38,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:38,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:38,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:38,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:38,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:38,220 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:38,220 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:38,221 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:38,223 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:38,223 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:38,223 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:38,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:38,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:38,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:38,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:38,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:38,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:38,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:38,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:38,228 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:35:38,229 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:35:38,229 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:35:38,230 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:38,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:38,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:38,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:38,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:35:38,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:38,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:38,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:38,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:38,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:38,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:38,235 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:35:38,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:38,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:38,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:38,237 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:38,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:38,238 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_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b [2023-11-23 20:35:38,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:38,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:38,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:38,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:38,683 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:38,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-23 20:35:41,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:42,287 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:42,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-23 20:35:42,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data/53f0dd11f/fabbe90c2fc8420cb04556fd1b27e588/FLAG3751ed30a [2023-11-23 20:35:42,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/data/53f0dd11f/fabbe90c2fc8420cb04556fd1b27e588 [2023-11-23 20:35:42,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:42,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:42,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:42,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:42,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:42,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401c42d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42, skipping insertion in model container [2023-11-23 20:35:42,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:42,515 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_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-23 20:35:42,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:42,624 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:42,640 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_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-23 20:35:42,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:42,786 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:42,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42 WrapperNode [2023-11-23 20:35:42,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:42,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:42,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:42,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:42,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,860 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-11-23 20:35:42,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:42,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:42,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:42,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:42,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:42,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:42,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:42,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:42,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (1/1) ... [2023-11-23 20:35:42,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:42,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:43,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:43,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:35:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:43,209 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:43,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:46,593 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:46,653 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:46,653 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:46,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:46 BoogieIcfgContainer [2023-11-23 20:35:46,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:46,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:46,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:46,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:46,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:42" (1/3) ... [2023-11-23 20:35:46,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1113ed2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:46, skipping insertion in model container [2023-11-23 20:35:46,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:42" (2/3) ... [2023-11-23 20:35:46,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1113ed2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:46, skipping insertion in model container [2023-11-23 20:35:46,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:46" (3/3) ... [2023-11-23 20:35:46,663 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-23 20:35:46,682 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:46,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:46,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:46,740 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;@2d987c3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:46,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:35:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:35:46,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:46,763 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:46,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:46,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:46,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1163003153, now seen corresponding path program 1 times [2023-11-23 20:35:46,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:46,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519068988] [2023-11-23 20:35:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:46,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:46,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:35:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:35:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:47,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:35:47,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2023-11-23 20:35:47,609 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:47,610 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519068988] [2023-11-23 20:35:47,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519068988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:47,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:47,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:35:47,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372509914] [2023-11-23 20:35:47,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:47,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:35:47,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:47,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:35:47,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:35:47,675 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:35:49,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:49,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:49,781 INFO L93 Difference]: Finished difference Result 158 states and 280 transitions. [2023-11-23 20:35:49,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:35:49,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2023-11-23 20:35:49,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:49,821 INFO L225 Difference]: With dead ends: 158 [2023-11-23 20:35:49,821 INFO L226 Difference]: Without dead ends: 78 [2023-11-23 20:35:49,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:35:49,835 INFO L413 NwaCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:49,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 20:35:49,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-23 20:35:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-23 20:35:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:35:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 120 transitions. [2023-11-23 20:35:49,895 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 120 transitions. Word has length 180 [2023-11-23 20:35:49,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:49,896 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 120 transitions. [2023-11-23 20:35:49,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:35:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2023-11-23 20:35:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:35:49,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:49,902 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:49,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:35:50,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:50,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:50,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:50,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1719783159, now seen corresponding path program 1 times [2023-11-23 20:35:50,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:50,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909503016] [2023-11-23 20:35:50,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:50,116 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:50,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:35:50,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:35:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:50,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:35:50,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 20:35:51,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:35:51,603 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:51,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909503016] [2023-11-23 20:35:51,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1909503016] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:35:51,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [540844817] [2023-11-23 20:35:51,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:51,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:51,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:35:51,616 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:35:51,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:35:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:52,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:35:52,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:35:53,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:53,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [540844817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:53,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:35:53,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 10 [2023-11-23 20:35:53,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905575211] [2023-11-23 20:35:53,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:53,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:35:53,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:53,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:35:53,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:35:53,378 INFO L87 Difference]: Start difference. First operand 78 states and 120 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:35:54,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:56,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:56,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:56,771 INFO L93 Difference]: Finished difference Result 250 states and 384 transitions. [2023-11-23 20:35:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:35:56,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-11-23 20:35:56,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:56,798 INFO L225 Difference]: With dead ends: 250 [2023-11-23 20:35:56,798 INFO L226 Difference]: Without dead ends: 173 [2023-11-23 20:35:56,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:35:56,801 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 110 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:56,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 370 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 20:35:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-23 20:35:56,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 153. [2023-11-23 20:35:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 20:35:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 237 transitions. [2023-11-23 20:35:56,892 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 237 transitions. Word has length 180 [2023-11-23 20:35:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:56,896 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 237 transitions. [2023-11-23 20:35:56,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:35:56,897 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 237 transitions. [2023-11-23 20:35:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:35:56,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:56,905 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:56,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:35:57,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:35:57,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:57,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:57,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:57,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1564066887, now seen corresponding path program 1 times [2023-11-23 20:35:57,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:57,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448187861] [2023-11-23 20:35:57,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:57,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:35:57,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:57,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:35:57,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:35:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:57,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:35:57,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 20:35:58,212 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:35:58,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:58,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448187861] [2023-11-23 20:35:58,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448187861] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:35:58,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [510031348] [2023-11-23 20:35:58,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:58,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:58,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:35:58,653 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:35:58,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:36:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:00,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:36:00,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:36:01,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:01,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [510031348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:01,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:36:01,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 11 [2023-11-23 20:36:01,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36266124] [2023-11-23 20:36:01,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:01,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:36:01,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:01,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:36:01,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:36:01,219 INFO L87 Difference]: Start difference. First operand 153 states and 237 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:36:03,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:05,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:05,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:05,607 INFO L93 Difference]: Finished difference Result 479 states and 740 transitions. [2023-11-23 20:36:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:36:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-11-23 20:36:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:05,636 INFO L225 Difference]: With dead ends: 479 [2023-11-23 20:36:05,636 INFO L226 Difference]: Without dead ends: 327 [2023-11-23 20:36:05,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:36:05,643 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 92 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:05,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 408 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-23 20:36:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-11-23 20:36:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 303. [2023-11-23 20:36:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 186 states have (on average 1.3225806451612903) internal successors, (246), 186 states have internal predecessors, (246), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-23 20:36:05,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 470 transitions. [2023-11-23 20:36:05,800 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 470 transitions. Word has length 180 [2023-11-23 20:36:05,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:05,803 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 470 transitions. [2023-11-23 20:36:05,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:36:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 470 transitions. [2023-11-23 20:36:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 20:36:05,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:05,815 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:05,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:06,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-23 20:36:06,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:06,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:06,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:06,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1575709716, now seen corresponding path program 1 times [2023-11-23 20:36:06,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:06,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359537534] [2023-11-23 20:36:06,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:06,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:06,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:06,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:06,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-23 20:36:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:06,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:36:06,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 20:36:07,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:36:07,557 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:07,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359537534] [2023-11-23 20:36:07,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359537534] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:36:07,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1631357686] [2023-11-23 20:36:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:07,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:07,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:36:07,565 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:36:07,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 20:36:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:09,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:36:09,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:36:09,301 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:09,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1631357686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:09,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:36:09,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5] total 12 [2023-11-23 20:36:09,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979103387] [2023-11-23 20:36:09,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:09,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:36:09,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:09,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:36:09,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:36:09,305 INFO L87 Difference]: Start difference. First operand 303 states and 470 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:36:13,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:14,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:16,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:17,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:17,845 INFO L93 Difference]: Finished difference Result 959 states and 1481 transitions. [2023-11-23 20:36:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 20:36:17,856 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2023-11-23 20:36:17,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:17,864 INFO L225 Difference]: With dead ends: 959 [2023-11-23 20:36:17,864 INFO L226 Difference]: Without dead ends: 657 [2023-11-23 20:36:17,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:36:17,867 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 176 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:17,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 578 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-23 20:36:17,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2023-11-23 20:36:17,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 627. [2023-11-23 20:36:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 378 states have (on average 1.2962962962962963) internal successors, (490), 380 states have internal predecessors, (490), 238 states have call successors, (238), 10 states have call predecessors, (238), 10 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-23 20:36:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 966 transitions. [2023-11-23 20:36:17,998 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 966 transitions. Word has length 181 [2023-11-23 20:36:17,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:17,999 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 966 transitions. [2023-11-23 20:36:17,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:36:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 966 transitions. [2023-11-23 20:36:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 20:36:18,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:18,003 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:18,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:18,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:18,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:18,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:18,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:18,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1632968018, now seen corresponding path program 1 times [2023-11-23 20:36:18,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:18,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759619882] [2023-11-23 20:36:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:18,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:18,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:18,419 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:18,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-23 20:36:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:18,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:36:18,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 20:36:19,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:36:19,493 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:19,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759619882] [2023-11-23 20:36:19,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759619882] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:36:19,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1962331995] [2023-11-23 20:36:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:19,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:19,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:36:19,495 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:36:19,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-23 20:36:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:21,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:36:21,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 20:36:21,696 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:36:22,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1962331995] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:36:22,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036094117] [2023-11-23 20:36:22,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:22,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:22,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:22,038 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:22,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 20:36:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:22,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:36:22,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 20:36:22,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:36:22,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036094117] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:36:22,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 20:36:22,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2023-11-23 20:36:22,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598790674] [2023-11-23 20:36:22,892 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 20:36:22,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:36:22,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:22,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:36:22,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:36:22,895 INFO L87 Difference]: Start difference. First operand 627 states and 966 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 20:36:26,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:28,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:29,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:29,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:29,446 INFO L93 Difference]: Finished difference Result 1305 states and 1975 transitions. [2023-11-23 20:36:29,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:36:29,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 181 [2023-11-23 20:36:29,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:29,475 INFO L225 Difference]: With dead ends: 1305 [2023-11-23 20:36:29,475 INFO L226 Difference]: Without dead ends: 679 [2023-11-23 20:36:29,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1084 GetRequests, 1074 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:36:29,479 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 73 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:29,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 187 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 176 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2023-11-23 20:36:29,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2023-11-23 20:36:29,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 659. [2023-11-23 20:36:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 402 states have (on average 1.2587064676616915) internal successors, (506), 404 states have internal predecessors, (506), 238 states have call successors, (238), 18 states have call predecessors, (238), 18 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-23 20:36:29,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 982 transitions. [2023-11-23 20:36:29,573 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 982 transitions. Word has length 181 [2023-11-23 20:36:29,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:29,574 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 982 transitions. [2023-11-23 20:36:29,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 20:36:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 982 transitions. [2023-11-23 20:36:29,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 20:36:29,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:29,578 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:29,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:29,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:30,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:30,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:30,190 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:30,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:30,190 INFO L85 PathProgramCache]: Analyzing trace with hash -55975724, now seen corresponding path program 1 times [2023-11-23 20:36:30,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:30,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356951668] [2023-11-23 20:36:30,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:30,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:30,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:30,193 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ecbdd8-1b9f-485f-a7e0-efa3d8a45be6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)