./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1856ea979a515682843ea065e3d41725035a700c47302906a364d3e5d5e532f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:31:58,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:31:58,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:31:58,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:31:58,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:31:58,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:31:58,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:31:58,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:31:58,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:31:58,891 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:31:58,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:31:58,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:31:58,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:31:58,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:31:58,894 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:31:58,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:31:58,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:31:58,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:31:58,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:31:58,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:31:58,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:31:58,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:31:58,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:31:58,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:31:58,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:31:58,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:31:58,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:31:58,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:31:58,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:31:58,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:31:58,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:31:58,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:31:58,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:31:58,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:31:58,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:31:58,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:31:58,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:31:58,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:31:58,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:31:58,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:31:58,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:31:58,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:31:58,906 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1856ea979a515682843ea065e3d41725035a700c47302906a364d3e5d5e532f [2023-11-29 03:31:59,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:31:59,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:31:59,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:31:59,141 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:31:59,141 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:31:59,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i [2023-11-29 03:32:01,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:32:02,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:32:02,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i [2023-11-29 03:32:02,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/931b8e0be/a3b71d5e343c4abdaeffb49db3c712bf/FLAG0ab58f463 [2023-11-29 03:32:02,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/931b8e0be/a3b71d5e343c4abdaeffb49db3c712bf [2023-11-29 03:32:02,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:32:02,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:32:02,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:32:02,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:32:02,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:32:02,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3cf0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02, skipping insertion in model container [2023-11-29 03:32:02,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:32:02,373 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_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i[915,928] [2023-11-29 03:32:02,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:32:02,444 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:32:02,457 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_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i[915,928] [2023-11-29 03:32:02,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:32:02,506 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:32:02,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02 WrapperNode [2023-11-29 03:32:02,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:32:02,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:32:02,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:32:02,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:32:02,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,568 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-11-29 03:32:02,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:32:02,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:32:02,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:32:02,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:32:02,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,601 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 03:32:02,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:32:02,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:32:02,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:32:02,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:32:02,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (1/1) ... [2023-11-29 03:32:02,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:32:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:02,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:32:02,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:32:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:32:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:32:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:32:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:32:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:32:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:32:02,799 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:32:02,801 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:32:03,178 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:32:03,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:32:03,208 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:32:03,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:32:03 BoogieIcfgContainer [2023-11-29 03:32:03,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:32:03,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:32:03,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:32:03,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:32:03,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:32:02" (1/3) ... [2023-11-29 03:32:03,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35210edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:32:03, skipping insertion in model container [2023-11-29 03:32:03,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:32:02" (2/3) ... [2023-11-29 03:32:03,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35210edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:32:03, skipping insertion in model container [2023-11-29 03:32:03,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:32:03" (3/3) ... [2023-11-29 03:32:03,218 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-84.i [2023-11-29 03:32:03,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:32:03,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:32:03,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:32:03,324 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=PETRI_NET, 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;@20f60a22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:32:03,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:32:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 03:32:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-29 03:32:03,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:03,345 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:03,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:32:03,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:03,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1800682432, now seen corresponding path program 1 times [2023-11-29 03:32:03,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:03,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086352891] [2023-11-29 03:32:03,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:03,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:03,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:03,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086352891] [2023-11-29 03:32:03,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 03:32:03,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761028218] [2023-11-29 03:32:03,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:03,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:03,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:03,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:03,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:32:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:03,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:32:03,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2023-11-29 03:32:03,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:32:03,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761028218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:32:03,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:32:03,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:32:03,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169867533] [2023-11-29 03:32:03,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:32:03,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:32:03,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:03,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:32:03,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:32:03,869 INFO L87 Difference]: Start difference. First operand has 91 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 03:32:03,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:03,910 INFO L93 Difference]: Finished difference Result 179 states and 323 transitions. [2023-11-29 03:32:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:32:03,913 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2023-11-29 03:32:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:03,920 INFO L225 Difference]: With dead ends: 179 [2023-11-29 03:32:03,920 INFO L226 Difference]: Without dead ends: 89 [2023-11-29 03:32:03,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:32:03,928 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:03,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:32:03,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-29 03:32:03,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-29 03:32:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 54 states have internal predecessors, (75), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 03:32:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 141 transitions. [2023-11-29 03:32:03,977 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 141 transitions. Word has length 204 [2023-11-29 03:32:03,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:03,978 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 141 transitions. [2023-11-29 03:32:03,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 03:32:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-11-29 03:32:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-29 03:32:03,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:03,984 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:03,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:32:04,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:04,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:32:04,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:04,186 INFO L85 PathProgramCache]: Analyzing trace with hash 44414078, now seen corresponding path program 1 times [2023-11-29 03:32:04,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:04,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610015424] [2023-11-29 03:32:04,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:04,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:04,266 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:32:04,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596505755] [2023-11-29 03:32:04,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:04,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:04,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:04,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:04,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:32:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:04,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:32:04,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:32:14,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:32:14,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:14,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610015424] [2023-11-29 03:32:14,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:32:14,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596505755] [2023-11-29 03:32:14,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596505755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:32:14,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:32:14,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:32:14,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503182166] [2023-11-29 03:32:14,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:32:14,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:32:14,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:14,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:32:14,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:32:14,095 INFO L87 Difference]: Start difference. First operand 89 states and 141 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:17,810 INFO L93 Difference]: Finished difference Result 227 states and 351 transitions. [2023-11-29 03:32:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:32:17,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-29 03:32:17,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:17,814 INFO L225 Difference]: With dead ends: 227 [2023-11-29 03:32:17,814 INFO L226 Difference]: Without dead ends: 139 [2023-11-29 03:32:17,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:32:17,817 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 109 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:17,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 490 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 03:32:17,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-29 03:32:17,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 122. [2023-11-29 03:32:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 82 states have (on average 1.4024390243902438) internal successors, (115), 83 states have internal predecessors, (115), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-29 03:32:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 189 transitions. [2023-11-29 03:32:17,844 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 189 transitions. Word has length 204 [2023-11-29 03:32:17,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:17,846 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 189 transitions. [2023-11-29 03:32:17,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 189 transitions. [2023-11-29 03:32:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-29 03:32:17,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:17,851 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:17,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:32:18,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:18,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:32:18,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:18,054 INFO L85 PathProgramCache]: Analyzing trace with hash 745478656, now seen corresponding path program 1 times [2023-11-29 03:32:18,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:18,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583719155] [2023-11-29 03:32:18,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:18,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:18,100 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:32:18,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [213677049] [2023-11-29 03:32:18,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:18,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:18,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:18,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:18,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:32:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:18,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:32:18,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:32:31,132 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:32:31,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:31,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583719155] [2023-11-29 03:32:31,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:32:31,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213677049] [2023-11-29 03:32:31,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213677049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:32:31,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:32:31,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:32:31,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492979936] [2023-11-29 03:32:31,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:32:31,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:32:31,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:31,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:32:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:32:31,136 INFO L87 Difference]: Start difference. First operand 122 states and 189 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:35,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:35,851 INFO L93 Difference]: Finished difference Result 241 states and 372 transitions. [2023-11-29 03:32:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:32:35,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-29 03:32:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:35,853 INFO L225 Difference]: With dead ends: 241 [2023-11-29 03:32:35,853 INFO L226 Difference]: Without dead ends: 120 [2023-11-29 03:32:35,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:32:35,855 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 90 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:35,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 503 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 03:32:35,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-29 03:32:35,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-11-29 03:32:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 78 states have internal predecessors, (106), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-29 03:32:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 180 transitions. [2023-11-29 03:32:35,876 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 180 transitions. Word has length 204 [2023-11-29 03:32:35,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:35,877 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 180 transitions. [2023-11-29 03:32:35,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2023-11-29 03:32:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-29 03:32:35,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:35,881 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:35,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:32:36,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:36,082 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:32:36,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:36,083 INFO L85 PathProgramCache]: Analyzing trace with hash 262396944, now seen corresponding path program 1 times [2023-11-29 03:32:36,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:36,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336836869] [2023-11-29 03:32:36,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:36,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:36,122 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:32:36,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148163010] [2023-11-29 03:32:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:36,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:36,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:36,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:36,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:32:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:36,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:32:36,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:32:36,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:32:36,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336836869] [2023-11-29 03:32:36,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:32:36,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148163010] [2023-11-29 03:32:36,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148163010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:32:36,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:32:36,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:32:36,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294011587] [2023-11-29 03:32:36,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:32:36,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:32:36,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:36,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:32:36,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:32:36,893 INFO L87 Difference]: Start difference. First operand 117 states and 180 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:37,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:37,170 INFO L93 Difference]: Finished difference Result 288 states and 433 transitions. [2023-11-29 03:32:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:32:37,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-11-29 03:32:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:37,175 INFO L225 Difference]: With dead ends: 288 [2023-11-29 03:32:37,175 INFO L226 Difference]: Without dead ends: 172 [2023-11-29 03:32:37,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:32:37,177 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 82 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:37,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 512 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:32:37,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-29 03:32:37,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 154. [2023-11-29 03:32:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 111 states have internal predecessors, (149), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-29 03:32:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 231 transitions. [2023-11-29 03:32:37,204 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 231 transitions. Word has length 205 [2023-11-29 03:32:37,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:37,205 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 231 transitions. [2023-11-29 03:32:37,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 231 transitions. [2023-11-29 03:32:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-29 03:32:37,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:37,209 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:37,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:32:37,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:37,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:32:37,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:37,415 INFO L85 PathProgramCache]: Analyzing trace with hash 963461522, now seen corresponding path program 1 times [2023-11-29 03:32:37,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:37,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541376794] [2023-11-29 03:32:37,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:37,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:37,448 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:32:37,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292045825] [2023-11-29 03:32:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:37,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:37,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:37,449 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:37,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:32:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:37,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:32:37,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:32:37,934 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:32:37,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:37,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541376794] [2023-11-29 03:32:37,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:32:37,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292045825] [2023-11-29 03:32:37,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292045825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:32:37,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:32:37,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:32:37,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185642267] [2023-11-29 03:32:37,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:32:37,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:32:37,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:37,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:32:37,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:32:37,937 INFO L87 Difference]: Start difference. First operand 154 states and 231 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:32:38,098 INFO L93 Difference]: Finished difference Result 299 states and 449 transitions. [2023-11-29 03:32:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:32:38,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-11-29 03:32:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:32:38,100 INFO L225 Difference]: With dead ends: 299 [2023-11-29 03:32:38,101 INFO L226 Difference]: Without dead ends: 153 [2023-11-29 03:32:38,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:32:38,102 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 71 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:32:38,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 517 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:32:38,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-29 03:32:38,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 149. [2023-11-29 03:32:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 103 states have (on average 1.3592233009708738) internal successors, (140), 106 states have internal predecessors, (140), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-29 03:32:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 222 transitions. [2023-11-29 03:32:38,126 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 222 transitions. Word has length 205 [2023-11-29 03:32:38,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:32:38,127 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 222 transitions. [2023-11-29 03:32:38,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:32:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2023-11-29 03:32:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-29 03:32:38,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:32:38,129 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:32:38,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 03:32:38,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:38,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:32:38,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:32:38,330 INFO L85 PathProgramCache]: Analyzing trace with hash 849202958, now seen corresponding path program 1 times [2023-11-29 03:32:38,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:32:38,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204375420] [2023-11-29 03:32:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:38,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:32:38,359 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:32:38,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762692084] [2023-11-29 03:32:38,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:32:38,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:32:38,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:32:38,361 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:32:38,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:32:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:32:38,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:32:38,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:32:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 276 proven. 90 refuted. 0 times theorem prover too weak. 1746 trivial. 0 not checked. [2023-11-29 03:32:39,335 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:32:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-29 03:32:59,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:32:59,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204375420] [2023-11-29 03:32:59,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:32:59,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762692084] [2023-11-29 03:32:59,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762692084] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:32:59,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:32:59,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-29 03:32:59,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722330457] [2023-11-29 03:32:59,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:32:59,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:32:59,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:32:59,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:32:59,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=74, Unknown=3, NotChecked=0, Total=110 [2023-11-29 03:32:59,820 INFO L87 Difference]: Start difference. First operand 149 states and 222 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-11-29 03:33:02,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 03:33:05,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:05,711 INFO L93 Difference]: Finished difference Result 319 states and 470 transitions. [2023-11-29 03:33:05,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:33:05,712 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 205 [2023-11-29 03:33:05,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:05,714 INFO L225 Difference]: With dead ends: 319 [2023-11-29 03:33:05,714 INFO L226 Difference]: Without dead ends: 178 [2023-11-29 03:33:05,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=81, Invalid=188, Unknown=3, NotChecked=0, Total=272 [2023-11-29 03:33:05,715 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 205 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:05,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 330 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 03:33:05,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-29 03:33:05,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 162. [2023-11-29 03:33:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 117 states have internal predecessors, (153), 41 states have call successors, (41), 6 states have call predecessors, (41), 6 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-29 03:33:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 235 transitions. [2023-11-29 03:33:05,739 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 235 transitions. Word has length 205 [2023-11-29 03:33:05,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:05,740 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 235 transitions. [2023-11-29 03:33:05,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-11-29 03:33:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 235 transitions. [2023-11-29 03:33:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-29 03:33:05,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:05,743 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:05,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:33:05,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:05,945 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:05,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:05,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1550267536, now seen corresponding path program 1 times [2023-11-29 03:33:05,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:05,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226196675] [2023-11-29 03:33:05,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:05,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:05,976 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:05,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1597184565] [2023-11-29 03:33:05,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:05,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:05,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:05,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:33:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:06,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:33:06,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 276 proven. 90 refuted. 0 times theorem prover too weak. 1746 trivial. 0 not checked. [2023-11-29 03:33:06,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:33:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-29 03:33:06,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:06,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226196675] [2023-11-29 03:33:06,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:33:06,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597184565] [2023-11-29 03:33:06,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597184565] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:33:06,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:33:06,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 03:33:06,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76770096] [2023-11-29 03:33:06,463 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:33:06,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:33:06,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:06,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:33:06,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:33:06,465 INFO L87 Difference]: Start difference. First operand 162 states and 235 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-11-29 03:33:06,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:06,797 INFO L93 Difference]: Finished difference Result 292 states and 423 transitions. [2023-11-29 03:33:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:33:06,797 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 205 [2023-11-29 03:33:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:06,799 INFO L225 Difference]: With dead ends: 292 [2023-11-29 03:33:06,799 INFO L226 Difference]: Without dead ends: 138 [2023-11-29 03:33:06,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:33:06,800 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 93 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:06,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 222 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:33:06,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-29 03:33:06,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2023-11-29 03:33:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 90 states have (on average 1.288888888888889) internal successors, (116), 92 states have internal predecessors, (116), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:33:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 194 transitions. [2023-11-29 03:33:06,821 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 194 transitions. Word has length 205 [2023-11-29 03:33:06,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:06,821 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 194 transitions. [2023-11-29 03:33:06,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2023-11-29 03:33:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 194 transitions. [2023-11-29 03:33:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-29 03:33:06,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:06,823 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:06,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:33:07,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:07,024 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:07,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:07,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1152039045, now seen corresponding path program 1 times [2023-11-29 03:33:07,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:07,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841819125] [2023-11-29 03:33:07,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:07,060 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:07,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1484744255] [2023-11-29 03:33:07,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:07,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:07,062 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:07,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:33:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:07,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 03:33:07,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 996 proven. 150 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2023-11-29 03:33:09,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:33:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:33:21,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:21,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841819125] [2023-11-29 03:33:21,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:33:21,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484744255] [2023-11-29 03:33:21,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484744255] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:33:21,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:33:21,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 21 [2023-11-29 03:33:21,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619463475] [2023-11-29 03:33:21,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:33:21,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:33:21,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:21,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:33:21,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-11-29 03:33:21,838 INFO L87 Difference]: Start difference. First operand 136 states and 194 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:27,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:27,670 INFO L93 Difference]: Finished difference Result 356 states and 508 transitions. [2023-11-29 03:33:27,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:33:27,671 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-11-29 03:33:27,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:27,673 INFO L225 Difference]: With dead ends: 356 [2023-11-29 03:33:27,673 INFO L226 Difference]: Without dead ends: 228 [2023-11-29 03:33:27,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2023-11-29 03:33:27,674 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 136 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:27,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 741 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 03:33:27,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-11-29 03:33:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 166. [2023-11-29 03:33:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 120 states have (on average 1.3083333333333333) internal successors, (157), 122 states have internal predecessors, (157), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:33:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 235 transitions. [2023-11-29 03:33:27,696 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 235 transitions. Word has length 206 [2023-11-29 03:33:27,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:27,697 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 235 transitions. [2023-11-29 03:33:27,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2023-11-29 03:33:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-29 03:33:27,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:27,699 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:27,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:33:27,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 03:33:27,899 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:27,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:27,900 INFO L85 PathProgramCache]: Analyzing trace with hash 759012035, now seen corresponding path program 1 times [2023-11-29 03:33:27,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:27,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735910868] [2023-11-29 03:33:27,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:27,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:27,918 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:27,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282028725] [2023-11-29 03:33:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:27,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:27,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:27,920 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:27,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:33:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:28,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 03:33:28,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:33:28,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:33:28,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:28,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735910868] [2023-11-29 03:33:28,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:33:28,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282028725] [2023-11-29 03:33:28,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282028725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:33:28,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:33:28,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:33:28,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430201715] [2023-11-29 03:33:28,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:33:28,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:33:28,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:28,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:33:28,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:33:28,969 INFO L87 Difference]: Start difference. First operand 166 states and 235 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:29,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:29,718 INFO L93 Difference]: Finished difference Result 438 states and 616 transitions. [2023-11-29 03:33:29,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:33:29,719 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-11-29 03:33:29,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:29,721 INFO L225 Difference]: With dead ends: 438 [2023-11-29 03:33:29,721 INFO L226 Difference]: Without dead ends: 280 [2023-11-29 03:33:29,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:33:29,722 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 115 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:29,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 716 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:33:29,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-29 03:33:29,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 170. [2023-11-29 03:33:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 124 states have (on average 1.314516129032258) internal successors, (163), 126 states have internal predecessors, (163), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:33:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 241 transitions. [2023-11-29 03:33:29,742 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 241 transitions. Word has length 206 [2023-11-29 03:33:29,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:29,743 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 241 transitions. [2023-11-29 03:33:29,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 241 transitions. [2023-11-29 03:33:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-29 03:33:29,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:29,744 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:29,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 03:33:29,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:33:29,945 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:29,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:29,945 INFO L85 PathProgramCache]: Analyzing trace with hash 500846597, now seen corresponding path program 1 times [2023-11-29 03:33:29,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:29,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149987927] [2023-11-29 03:33:29,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:29,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:29,966 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:29,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1177681390] [2023-11-29 03:33:29,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:29,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:29,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:29,968 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:29,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:33:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:30,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 03:33:30,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:33:30,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:33:30,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:30,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149987927] [2023-11-29 03:33:30,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:33:30,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177681390] [2023-11-29 03:33:30,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177681390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:33:30,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:33:30,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 03:33:30,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184341738] [2023-11-29 03:33:30,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:33:30,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:33:30,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:30,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:33:30,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:33:30,960 INFO L87 Difference]: Start difference. First operand 170 states and 241 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:31,575 INFO L93 Difference]: Finished difference Result 436 states and 614 transitions. [2023-11-29 03:33:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:33:31,575 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-11-29 03:33:31,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:31,578 INFO L225 Difference]: With dead ends: 436 [2023-11-29 03:33:31,578 INFO L226 Difference]: Without dead ends: 274 [2023-11-29 03:33:31,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:33:31,579 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 120 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:31,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 818 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:33:31,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-29 03:33:31,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 166. [2023-11-29 03:33:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 120 states have (on average 1.3083333333333333) internal successors, (157), 122 states have internal predecessors, (157), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:33:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 235 transitions. [2023-11-29 03:33:31,603 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 235 transitions. Word has length 206 [2023-11-29 03:33:31,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:31,604 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 235 transitions. [2023-11-29 03:33:31,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2023-11-29 03:33:31,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 03:33:31,605 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:31,605 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:31,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 03:33:31,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 03:33:31,806 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:31,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1155914261, now seen corresponding path program 1 times [2023-11-29 03:33:31,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:31,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767233346] [2023-11-29 03:33:31,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:31,825 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:31,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93508764] [2023-11-29 03:33:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:31,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:31,826 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:31,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:33:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:31,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:33:31,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:33:32,005 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:33:32,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:32,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767233346] [2023-11-29 03:33:32,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:33:32,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93508764] [2023-11-29 03:33:32,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93508764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:33:32,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:33:32,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:33:32,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897776342] [2023-11-29 03:33:32,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:33:32,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:33:32,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:32,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:33:32,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:33:32,007 INFO L87 Difference]: Start difference. First operand 166 states and 235 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:32,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:32,113 INFO L93 Difference]: Finished difference Result 384 states and 541 transitions. [2023-11-29 03:33:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:33:32,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2023-11-29 03:33:32,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:32,115 INFO L225 Difference]: With dead ends: 384 [2023-11-29 03:33:32,115 INFO L226 Difference]: Without dead ends: 226 [2023-11-29 03:33:32,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:33:32,116 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 34 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:32,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 222 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:33:32,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-11-29 03:33:32,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 199. [2023-11-29 03:33:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 153 states have (on average 1.3137254901960784) internal successors, (201), 155 states have internal predecessors, (201), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-29 03:33:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 279 transitions. [2023-11-29 03:33:32,135 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 279 transitions. Word has length 207 [2023-11-29 03:33:32,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:32,136 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 279 transitions. [2023-11-29 03:33:32,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 279 transitions. [2023-11-29 03:33:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 03:33:32,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:32,137 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:32,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-29 03:33:32,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 03:33:32,338 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:32,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:32,338 INFO L85 PathProgramCache]: Analyzing trace with hash -301280782, now seen corresponding path program 1 times [2023-11-29 03:33:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:32,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766535187] [2023-11-29 03:33:32,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:32,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:32,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:32,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101347059] [2023-11-29 03:33:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:32,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:32,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:32,357 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:32,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 03:33:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:32,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 03:33:32,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1014 proven. 132 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2023-11-29 03:33:33,039 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:33:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 54 proven. 135 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2023-11-29 03:33:33,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:33,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766535187] [2023-11-29 03:33:33,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:33:33,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101347059] [2023-11-29 03:33:33,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101347059] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:33:33,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:33:33,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-11-29 03:33:33,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681131963] [2023-11-29 03:33:33,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:33:33,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 03:33:33,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:33,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:33:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:33:33,379 INFO L87 Difference]: Start difference. First operand 199 states and 279 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (66), 6 states have call predecessors, (66), 6 states have call successors, (66) [2023-11-29 03:33:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:34,867 INFO L93 Difference]: Finished difference Result 1048 states and 1430 transitions. [2023-11-29 03:33:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 03:33:34,867 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (66), 6 states have call predecessors, (66), 6 states have call successors, (66) Word has length 207 [2023-11-29 03:33:34,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:34,873 INFO L225 Difference]: With dead ends: 1048 [2023-11-29 03:33:34,873 INFO L226 Difference]: Without dead ends: 850 [2023-11-29 03:33:34,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=543, Invalid=1097, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 03:33:34,876 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 462 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:34,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 734 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 03:33:34,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2023-11-29 03:33:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 487. [2023-11-29 03:33:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 393 states have (on average 1.3078880407124682) internal successors, (514), 397 states have internal predecessors, (514), 78 states have call successors, (78), 15 states have call predecessors, (78), 15 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-29 03:33:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 670 transitions. [2023-11-29 03:33:34,945 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 670 transitions. Word has length 207 [2023-11-29 03:33:34,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:34,946 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 670 transitions. [2023-11-29 03:33:34,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (66), 6 states have call predecessors, (66), 6 states have call successors, (66) [2023-11-29 03:33:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 670 transitions. [2023-11-29 03:33:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 03:33:34,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:34,948 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:34,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 03:33:35,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 03:33:35,149 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:35,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:35,150 INFO L85 PathProgramCache]: Analyzing trace with hash 516367668, now seen corresponding path program 1 times [2023-11-29 03:33:35,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:35,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848964075] [2023-11-29 03:33:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:35,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:35,172 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:35,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1134480834] [2023-11-29 03:33:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:35,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:35,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:35,174 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:35,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 03:33:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:35,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 03:33:35,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1190 proven. 246 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-29 03:33:37,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:33:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:33:49,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:33:49,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848964075] [2023-11-29 03:33:49,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:33:49,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134480834] [2023-11-29 03:33:49,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134480834] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:33:49,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:33:49,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [22] total 29 [2023-11-29 03:33:49,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353100283] [2023-11-29 03:33:49,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:33:49,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:33:49,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:33:49,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:33:49,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=690, Unknown=0, NotChecked=0, Total=812 [2023-11-29 03:33:49,571 INFO L87 Difference]: Start difference. First operand 487 states and 670 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:33:56,786 INFO L93 Difference]: Finished difference Result 1091 states and 1487 transitions. [2023-11-29 03:33:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:33:56,787 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2023-11-29 03:33:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:33:56,791 INFO L225 Difference]: With dead ends: 1091 [2023-11-29 03:33:56,791 INFO L226 Difference]: Without dead ends: 605 [2023-11-29 03:33:56,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=194, Invalid=1066, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 03:33:56,793 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 115 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:33:56,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 966 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 03:33:56,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2023-11-29 03:33:56,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 499. [2023-11-29 03:33:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 405 states have (on average 1.2987654320987654) internal successors, (526), 409 states have internal predecessors, (526), 78 states have call successors, (78), 15 states have call predecessors, (78), 15 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-29 03:33:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 682 transitions. [2023-11-29 03:33:56,857 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 682 transitions. Word has length 207 [2023-11-29 03:33:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:33:56,857 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 682 transitions. [2023-11-29 03:33:56,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:33:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 682 transitions. [2023-11-29 03:33:56,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 03:33:56,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:33:56,860 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:33:56,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 03:33:57,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 03:33:57,060 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:33:57,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:33:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 123340658, now seen corresponding path program 1 times [2023-11-29 03:33:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:33:57,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793076987] [2023-11-29 03:33:57,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:57,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:33:57,086 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:33:57,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079349803] [2023-11-29 03:33:57,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:33:57,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:33:57,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:33:57,087 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:33:57,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 03:33:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:33:57,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 03:33:57,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:33:58,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1190 proven. 246 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-29 03:33:58,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:34:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:34:09,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:34:09,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793076987] [2023-11-29 03:34:09,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:34:09,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079349803] [2023-11-29 03:34:09,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079349803] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:34:09,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:34:09,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 31 [2023-11-29 03:34:09,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456109778] [2023-11-29 03:34:09,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:34:09,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:34:09,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:34:09,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:34:09,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=793, Unknown=0, NotChecked=0, Total=930 [2023-11-29 03:34:09,664 INFO L87 Difference]: Start difference. First operand 499 states and 682 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:34:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:34:19,184 INFO L93 Difference]: Finished difference Result 1115 states and 1505 transitions. [2023-11-29 03:34:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:34:19,185 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2023-11-29 03:34:19,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:34:19,189 INFO L225 Difference]: With dead ends: 1115 [2023-11-29 03:34:19,190 INFO L226 Difference]: Without dead ends: 617 [2023-11-29 03:34:19,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=230, Invalid=1252, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 03:34:19,192 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 108 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:34:19,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1075 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 03:34:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2023-11-29 03:34:19,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 449. [2023-11-29 03:34:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 355 states have (on average 1.3014084507042254) internal successors, (462), 359 states have internal predecessors, (462), 78 states have call successors, (78), 15 states have call predecessors, (78), 15 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-29 03:34:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 618 transitions. [2023-11-29 03:34:19,255 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 618 transitions. Word has length 207 [2023-11-29 03:34:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:34:19,255 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 618 transitions. [2023-11-29 03:34:19,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:34:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 618 transitions. [2023-11-29 03:34:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 03:34:19,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:34:19,258 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:34:19,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 03:34:19,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 03:34:19,458 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:34:19,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:34:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1717963079, now seen corresponding path program 1 times [2023-11-29 03:34:19,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:34:19,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337429390] [2023-11-29 03:34:19,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:19,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:34:19,476 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:34:19,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080073010] [2023-11-29 03:34:19,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:19,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:34:19,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:34:19,477 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:34:19,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 03:34:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:34:19,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:34:19,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:34:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:34:19,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:34:19,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:34:19,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337429390] [2023-11-29 03:34:19,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:34:19,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080073010] [2023-11-29 03:34:19,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080073010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:34:19,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:34:19,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:34:19,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617111847] [2023-11-29 03:34:19,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:34:19,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:34:19,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:34:19,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:34:19,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:34:19,642 INFO L87 Difference]: Start difference. First operand 449 states and 618 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:34:19,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:34:19,769 INFO L93 Difference]: Finished difference Result 956 states and 1301 transitions. [2023-11-29 03:34:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:34:19,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2023-11-29 03:34:19,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:34:19,772 INFO L225 Difference]: With dead ends: 956 [2023-11-29 03:34:19,772 INFO L226 Difference]: Without dead ends: 508 [2023-11-29 03:34:19,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:34:19,773 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 37 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:34:19,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 245 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:34:19,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-11-29 03:34:19,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 426. [2023-11-29 03:34:19,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 336 states have (on average 1.2767857142857142) internal successors, (429), 338 states have internal predecessors, (429), 74 states have call successors, (74), 15 states have call predecessors, (74), 15 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-29 03:34:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 577 transitions. [2023-11-29 03:34:19,807 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 577 transitions. Word has length 207 [2023-11-29 03:34:19,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:34:19,807 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 577 transitions. [2023-11-29 03:34:19,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:34:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 577 transitions. [2023-11-29 03:34:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-29 03:34:19,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:34:19,809 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:34:19,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 03:34:20,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 03:34:20,009 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:34:20,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:34:20,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1497378582, now seen corresponding path program 1 times [2023-11-29 03:34:20,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:34:20,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755486773] [2023-11-29 03:34:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:34:20,031 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:34:20,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444880987] [2023-11-29 03:34:20,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:20,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:34:20,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:34:20,032 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:34:20,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 03:34:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:34:20,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:34:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:34:20,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:34:20,344 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:34:20,345 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:34:20,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 03:34:20,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 03:34:20,550 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:34:20,553 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:34:20,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 03:34:20,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 03:34:20,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 03:34:20,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 03:34:20,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 03:34:20,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 03:34:20,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 03:34:20,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-29 03:34:20,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 03:34:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 03:34:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 03:34:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-29 03:34:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 03:34:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-29 03:34:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-29 03:34:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 03:34:20,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-29 03:34:20,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 03:34:20,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:34:20 BoogieIcfgContainer [2023-11-29 03:34:20,695 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:34:20,695 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:34:20,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:34:20,695 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:34:20,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:32:03" (3/4) ... [2023-11-29 03:34:20,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:34:20,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:34:20,699 INFO L158 Benchmark]: Toolchain (without parser) took 138511.29ms. Allocated memory was 172.0MB in the beginning and 325.1MB in the end (delta: 153.1MB). Free memory was 124.7MB in the beginning and 180.9MB in the end (delta: -56.3MB). Peak memory consumption was 97.4MB. Max. memory is 16.1GB. [2023-11-29 03:34:20,699 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 172.0MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:34:20,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.02ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 110.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 03:34:20,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.46ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:34:20,700 INFO L158 Benchmark]: Boogie Preprocessor took 61.01ms. Allocated memory is still 172.0MB. Free memory was 105.8MB in the beginning and 100.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:34:20,701 INFO L158 Benchmark]: RCFGBuilder took 577.57ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 71.6MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 03:34:20,701 INFO L158 Benchmark]: TraceAbstraction took 137482.62ms. Allocated memory was 172.0MB in the beginning and 325.1MB in the end (delta: 153.1MB). Free memory was 71.0MB in the beginning and 182.0MB in the end (delta: -111.0MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-29 03:34:20,701 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 325.1MB. Free memory was 182.0MB in the beginning and 180.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:34:20,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 172.0MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.02ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 110.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.46ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.01ms. Allocated memory is still 172.0MB. Free memory was 105.8MB in the beginning and 100.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 577.57ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 71.6MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 137482.62ms. Allocated memory was 172.0MB in the beginning and 325.1MB in the end (delta: 153.1MB). Free memory was 71.0MB in the beginning and 182.0MB in the end (delta: -111.0MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 325.1MB. Free memory was 182.0MB in the beginning and 180.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryFLOATComparisonOperation at line 149. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] signed char var_1_3 = -16; [L24] signed char var_1_4 = 50; [L25] signed char var_1_5 = 4; [L26] unsigned long int var_1_6 = 50; [L27] signed long int var_1_7 = -8; [L28] signed long int var_1_8 = -4; [L29] signed char var_1_9 = 50; [L30] unsigned char var_1_10 = 128; [L31] unsigned char var_1_11 = 5; [L32] unsigned long int var_1_12 = 10; [L33] signed char var_1_13 = 16; [L34] unsigned short int var_1_15 = 128; [L35] signed long int var_1_16 = 2; [L36] unsigned short int var_1_17 = 61498; [L37] unsigned long int var_1_18 = 1; [L38] unsigned char var_1_19 = 0; [L39] double var_1_20 = 4.9; [L40] double var_1_21 = 1.5; [L41] signed long int var_1_22 = 0; [L42] signed long int var_1_23 = 100; [L43] signed long int var_1_24 = 2; [L44] unsigned char var_1_25 = 1; [L45] unsigned char var_1_26 = 1; [L46] unsigned char var_1_27 = 0; [L47] unsigned char var_1_28 = 1; [L48] unsigned char var_1_29 = 1; [L49] float var_1_30 = 2.5; [L50] float var_1_31 = 15.25; [L51] unsigned long int var_1_32 = 256; [L52] unsigned long int var_1_33 = 100; [L53] unsigned short int last_1_var_1_15 = 128; [L162] isInitial = 1 [L163] FCALL initially() [L164] COND TRUE 1 [L165] CALL updateLastVariables() [L155] last_1_var_1_15 = var_1_15 [L165] RET updateLastVariables() [L166] CALL updateVariables() [L104] var_1_3 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L105] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L106] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L106] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L107] var_1_4 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L108] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L109] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L109] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L110] var_1_5 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L111] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L112] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L112] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L113] var_1_7 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L114] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L115] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L115] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L116] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L116] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-4, var_1_9=50] [L117] var_1_8 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L118] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L119] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L119] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L120] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L121] var_1_10 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L122] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L123] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L123] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L124] var_1_11 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L125] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L126] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L126] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L127] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L127] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L128] var_1_16 = __VERIFIER_nondet_long() [L129] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L129] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L130] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L130] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L131] var_1_17 = __VERIFIER_nondet_ushort() [L132] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L132] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L133] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L133] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L134] var_1_21 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L135] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=100, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L136] var_1_23 = __VERIFIER_nondet_long() [L137] CALL assume_abort_if_not(var_1_23 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L137] RET assume_abort_if_not(var_1_23 >= -2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L138] CALL assume_abort_if_not(var_1_23 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L138] RET assume_abort_if_not(var_1_23 <= 2147483646) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L139] var_1_25 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L140] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L141] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L141] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L142] var_1_26 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L143] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L144] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L144] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L145] var_1_29 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L146] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L147] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L147] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_31=61/4, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L148] var_1_31 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L149] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=100, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L150] var_1_33 = __VERIFIER_nondet_ulong() [L151] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L151] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L152] CALL assume_abort_if_not(var_1_33 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L152] RET assume_abort_if_not(var_1_33 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L166] RET updateVariables() [L167] CALL step() [L57] var_1_22 = var_1_23 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L58] COND FALSE !(var_1_25 && var_1_26) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=5/2, var_1_32=256, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L63] var_1_27 = 0 [L64] var_1_28 = var_1_29 [L65] var_1_30 = var_1_31 [L66] var_1_32 = var_1_33 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L67] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=50] [L67] COND FALSE !(last_1_var_1_15 <= (var_1_8 & var_1_4)) [L72] var_1_9 = var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L74] EXPR (var_1_4 + var_1_9) & var_1_7 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L74] signed long int stepLocal_3 = (var_1_4 + var_1_9) & var_1_7; [L75] COND TRUE stepLocal_3 <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16)))) [L76] var_1_15 = (var_1_11 + 64) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L80] signed long int stepLocal_1 = -4; [L81] signed long int stepLocal_0 = -16; VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L82] COND FALSE !(stepLocal_1 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L87] var_1_18 = var_1_17 [L88] var_1_19 = 0 [L89] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L90] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=10, var_1_13=16, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L93] COND FALSE !(var_1_3 <= var_1_1) [L96] var_1_12 = (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=16, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L98] unsigned long int stepLocal_2 = var_1_18; VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=65534, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=16, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L99] COND TRUE (~ var_1_3) < stepLocal_2 [L100] var_1_13 = (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=65534, stepLocal_3=0, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L167] RET step() [L168] CALL, EXPR property() [L158] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L158] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L158] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L158] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L158] EXPR (var_1_4 + var_1_9) & var_1_7 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L158] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L158-L159] return ((((((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))))))) && (var_1_18 == ((unsigned long int) var_1_17))) && (var_1_19 == ((unsigned char) 0))) && (var_1_20 == ((double) var_1_21)) ; [L168] RET, EXPR property() [L168] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=255, var_1_11=1, var_1_12=1, var_1_13=-5, var_1_15=65, var_1_16=1, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=3, var_1_21=3, var_1_22=2147483646, var_1_23=2147483646, var_1_24=2, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2, var_1_32=4294967294, var_1_33=4294967294, var_1_3=-5, var_1_4=0, var_1_5=2, var_1_6=50, var_1_7=3, var_1_8=-2147483648, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 137.3s, OverallIterations: 16, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 40.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1802 SdHoareTripleChecker+Valid, 22.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1777 mSDsluCounter, 8229 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6354 mSDsCounter, 291 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4905 IncrementalHoareTripleChecker+Invalid, 5196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 291 mSolverCounterUnsat, 1875 mSDtfsCounter, 4905 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4390 GetRequests, 4163 SyntacticMatches, 0 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1516 ImplicationChecksByTransitivity, 50.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=499occurred in iteration=13, InterpolantAutomatonStates: 165, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1086 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 89.6s InterpolantComputationTime, 3497 NumberOfCodeBlocks, 3497 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4301 ConstructedInterpolants, 4 QuantifiedInterpolants, 24731 SizeOfPredicates, 141 NumberOfNonLiveVariables, 7125 ConjunctsInSsa, 183 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 43083/44352 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 [2023-11-29 03:34:20,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1856ea979a515682843ea065e3d41725035a700c47302906a364d3e5d5e532f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:34:22,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:34:22,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:34:22,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:34:22,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:34:22,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:34:22,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:34:22,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:34:22,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:34:22,680 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:34:22,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:34:22,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:34:22,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:34:22,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:34:22,683 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:34:22,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:34:22,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:34:22,685 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:34:22,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:34:22,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:34:22,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:34:22,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:34:22,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:34:22,688 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:34:22,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:34:22,688 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:34:22,689 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:34:22,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:34:22,689 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:34:22,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:34:22,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:34:22,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:34:22,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:34:22,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:34:22,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:34:22,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:34:22,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:34:22,692 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:34:22,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:34:22,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:34:22,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:34:22,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:34:22,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:34:22,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:34:22,694 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:34:22,694 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1856ea979a515682843ea065e3d41725035a700c47302906a364d3e5d5e532f [2023-11-29 03:34:22,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:34:22,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:34:23,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:34:23,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:34:23,003 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:34:23,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i [2023-11-29 03:34:25,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:34:26,036 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:34:26,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i [2023-11-29 03:34:26,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/85b7b4142/01b89f3525c840cb81d778ec3acaeb44/FLAGfe7d226ea [2023-11-29 03:34:26,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/data/85b7b4142/01b89f3525c840cb81d778ec3acaeb44 [2023-11-29 03:34:26,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:34:26,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:34:26,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:34:26,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:34:26,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:34:26,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717be388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26, skipping insertion in model container [2023-11-29 03:34:26,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:34:26,258 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_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i[915,928] [2023-11-29 03:34:26,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:34:26,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:34:26,346 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_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i[915,928] [2023-11-29 03:34:26,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:34:26,399 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:34:26,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26 WrapperNode [2023-11-29 03:34:26,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:34:26,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:34:26,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:34:26,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:34:26,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,451 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-11-29 03:34:26,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:34:26,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:34:26,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:34:26,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:34:26,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,491 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 03:34:26,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:34:26,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:34:26,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:34:26,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:34:26,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (1/1) ... [2023-11-29 03:34:26,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:34:26,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:34:26,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:34:26,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:34:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:34:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:34:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:34:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:34:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:34:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:34:26,674 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:34:26,676 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:34:27,117 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:34:27,177 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:34:27,177 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:34:27,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:34:27 BoogieIcfgContainer [2023-11-29 03:34:27,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:34:27,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:34:27,181 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:34:27,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:34:27,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:34:26" (1/3) ... [2023-11-29 03:34:27,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd9f133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:34:27, skipping insertion in model container [2023-11-29 03:34:27,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:34:26" (2/3) ... [2023-11-29 03:34:27,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd9f133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:34:27, skipping insertion in model container [2023-11-29 03:34:27,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:34:27" (3/3) ... [2023-11-29 03:34:27,187 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-84.i [2023-11-29 03:34:27,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:34:27,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:34:27,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:34:27,266 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=PETRI_NET, 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;@7071e709, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:34:27,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:34:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 03:34:27,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 03:34:27,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:34:27,291 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:34:27,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:34:27,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:34:27,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1071982050, now seen corresponding path program 1 times [2023-11-29 03:34:27,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:34:27,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565589907] [2023-11-29 03:34:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:27,313 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 [2023-11-29 03:34:27,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:34:27,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:34:27,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:34:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:34:27,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:34:27,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:34:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2023-11-29 03:34:27,741 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:34:27,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:34:27,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565589907] [2023-11-29 03:34:27,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565589907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:34:27,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:34:27,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:34:27,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302158735] [2023-11-29 03:34:27,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:34:27,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:34:27,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:34:27,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:34:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:34:27,781 INFO L87 Difference]: Start difference. First operand has 77 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 03:34:27,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:34:27,872 INFO L93 Difference]: Finished difference Result 151 states and 275 transitions. [2023-11-29 03:34:27,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:34:27,882 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 198 [2023-11-29 03:34:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:34:27,888 INFO L225 Difference]: With dead ends: 151 [2023-11-29 03:34:27,889 INFO L226 Difference]: Without dead ends: 75 [2023-11-29 03:34:27,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:34:27,895 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:34:27,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:34:27,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-29 03:34:27,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-29 03:34:27,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 03:34:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-29 03:34:27,942 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 198 [2023-11-29 03:34:27,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:34:27,943 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-29 03:34:27,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 03:34:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-29 03:34:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 03:34:27,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:34:27,949 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:34:27,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:34:28,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:34:28,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:34:28,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:34:28,153 INFO L85 PathProgramCache]: Analyzing trace with hash -345681700, now seen corresponding path program 1 times [2023-11-29 03:34:28,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:34:28,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468800990] [2023-11-29 03:34:28,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:28,154 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 [2023-11-29 03:34:28,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:34:28,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:34:28,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:34:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:34:28,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:34:28,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:34:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-29 03:34:28,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:34:28,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:34:28,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468800990] [2023-11-29 03:34:28,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468800990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:34:28,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:34:28,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:34:28,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119985152] [2023-11-29 03:34:28,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:34:28,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:34:28,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:34:28,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:34:28,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:34:28,468 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:34:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:34:28,563 INFO L93 Difference]: Finished difference Result 149 states and 233 transitions. [2023-11-29 03:34:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:34:28,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 198 [2023-11-29 03:34:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:34:28,575 INFO L225 Difference]: With dead ends: 149 [2023-11-29 03:34:28,575 INFO L226 Difference]: Without dead ends: 75 [2023-11-29 03:34:28,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:34:28,578 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 114 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:34:28,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 112 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:34:28,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-29 03:34:28,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-29 03:34:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 03:34:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 116 transitions. [2023-11-29 03:34:28,596 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 116 transitions. Word has length 198 [2023-11-29 03:34:28,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:34:28,599 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 116 transitions. [2023-11-29 03:34:28,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-29 03:34:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2023-11-29 03:34:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 03:34:28,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:34:28,604 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:34:28,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 03:34:28,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:34:28,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:34:28,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:34:28,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1429325662, now seen corresponding path program 1 times [2023-11-29 03:34:28,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:34:28,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062663322] [2023-11-29 03:34:28,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:28,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:34:28,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:34:28,811 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:34:28,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 03:34:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:34:29,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:34:29,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:34:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1058 proven. 39 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2023-11-29 03:34:30,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:34:30,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:34:30,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062663322] [2023-11-29 03:34:30,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062663322] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:34:30,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [16397605] [2023-11-29 03:34:30,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:30,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:34:30,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:34:30,456 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:34:30,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 03:34:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:34:31,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:34:31,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:34:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1058 proven. 39 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2023-11-29 03:34:31,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:34:31,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [16397605] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:34:31,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:34:31,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2023-11-29 03:34:31,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500681180] [2023-11-29 03:34:31,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:34:31,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:34:31,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:34:31,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:34:31,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:34:31,990 INFO L87 Difference]: Start difference. First operand 75 states and 116 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 03:34:33,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:34:33,945 INFO L93 Difference]: Finished difference Result 234 states and 354 transitions. [2023-11-29 03:34:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 03:34:33,945 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 198 [2023-11-29 03:34:33,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:34:33,949 INFO L225 Difference]: With dead ends: 234 [2023-11-29 03:34:33,949 INFO L226 Difference]: Without dead ends: 160 [2023-11-29 03:34:33,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:34:33,952 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 155 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:34:33,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 544 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 03:34:33,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-29 03:34:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 81. [2023-11-29 03:34:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 45 states have internal predecessors, (55), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 03:34:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2023-11-29 03:34:33,982 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 198 [2023-11-29 03:34:33,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:34:33,983 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2023-11-29 03:34:33,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-29 03:34:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2023-11-29 03:34:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 03:34:33,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:34:33,987 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:34:33,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-29 03:34:34,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 03:34:34,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:34:34,389 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:34:34,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:34:34,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1429266080, now seen corresponding path program 1 times [2023-11-29 03:34:34,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:34:34,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214973217] [2023-11-29 03:34:34,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:34:34,390 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 [2023-11-29 03:34:34,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:34:34,391 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:34:34,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806cea10-0e60-4ce7-ac2d-f7810bdbf5b0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 03:34:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:34:34,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:34:34,601 INFO L285 TraceCheckSpWp]: Computing forward predicates...