./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 65530496559a238bbc496f9cc580c97366a750a0307dcf2d579ed00a58477720 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:51:49,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:51:49,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:51:49,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:51:49,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:51:49,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:51:49,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:51:49,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:51:49,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:51:49,180 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:51:49,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:51:49,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:51:49,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:51:49,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:51:49,183 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:51:49,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:51:49,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:51:49,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:51:49,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:51:49,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:51:49,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:51:49,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:51:49,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:51:49,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:51:49,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:51:49,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:51:49,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:51:49,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:51:49,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:51:49,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:51:49,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:51:49,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:51:49,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:51:49,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:51:49,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:51:49,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:51:49,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:51:49,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:51:49,193 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:51:49,193 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:51:49,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:51:49,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:51:49,194 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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65530496559a238bbc496f9cc580c97366a750a0307dcf2d579ed00a58477720 [2023-11-29 06:51:49,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:51:49,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:51:49,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:51:49,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:51:49,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:51:49,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i [2023-11-29 06:51:52,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:51:52,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:51:52,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i [2023-11-29 06:51:52,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data/c76e4788a/4e8e02ce23d94b2291bc2dd2e29eda3e/FLAGa89c071b7 [2023-11-29 06:51:52,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data/c76e4788a/4e8e02ce23d94b2291bc2dd2e29eda3e [2023-11-29 06:51:52,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:51:52,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:51:52,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:51:52,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:51:52,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:51:52,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362de01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52, skipping insertion in model container [2023-11-29 06:51:52,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:51:52,674 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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i[919,932] [2023-11-29 06:51:52,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:51:52,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:51:52,779 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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i[919,932] [2023-11-29 06:51:52,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:51:52,844 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:51:52,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52 WrapperNode [2023-11-29 06:51:52,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:51:52,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:51:52,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:51:52,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:51:52,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,914 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 278 [2023-11-29 06:51:52,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:51:52,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:51:52,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:51:52,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:51:52,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,933 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,957 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 06:51:52,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:52,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:51:52,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:51:52,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:51:52,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:51:52,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (1/1) ... [2023-11-29 06:51:53,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:51:53,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:53,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:51:53,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:51:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:51:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:51:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:51:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:51:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:51:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:51:53,171 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:51:53,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:51:53,629 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:51:53,662 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:51:53,663 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:51:53,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:53 BoogieIcfgContainer [2023-11-29 06:51:53,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:51:53,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:51:53,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:51:53,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:51:53,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:51:52" (1/3) ... [2023-11-29 06:51:53,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecd90c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:51:53, skipping insertion in model container [2023-11-29 06:51:53,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:52" (2/3) ... [2023-11-29 06:51:53,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecd90c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:51:53, skipping insertion in model container [2023-11-29 06:51:53,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:53" (3/3) ... [2023-11-29 06:51:53,675 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i [2023-11-29 06:51:53,720 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:51:53,721 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:51:53,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:51:53,799 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;@23d70ec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:51:53,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:51:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 70 states have (on average 1.5) internal successors, (105), 71 states have internal predecessors, (105), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:51:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-29 06:51:53,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:53,822 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:53,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:53,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1470952414, now seen corresponding path program 1 times [2023-11-29 06:51:53,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:53,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880258604] [2023-11-29 06:51:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:53,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:54,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880258604] [2023-11-29 06:51:54,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:51:54,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107394794] [2023-11-29 06:51:54,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:54,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:54,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:54,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:54,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:51:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:51:54,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 3042 trivial. 0 not checked. [2023-11-29 06:51:54,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:54,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107394794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:54,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:54,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:51:54,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936600928] [2023-11-29 06:51:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:54,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:51:54,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:54,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:51:54,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:51:54,476 INFO L87 Difference]: Start difference. First operand has 113 states, 70 states have (on average 1.5) internal successors, (105), 71 states have internal predecessors, (105), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 06:51:54,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:54,525 INFO L93 Difference]: Finished difference Result 223 states and 408 transitions. [2023-11-29 06:51:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:51:54,528 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 250 [2023-11-29 06:51:54,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:54,538 INFO L225 Difference]: With dead ends: 223 [2023-11-29 06:51:54,538 INFO L226 Difference]: Without dead ends: 111 [2023-11-29 06:51:54,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 249 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 06:51:54,547 INFO L413 NwaCegarLoop]: 177 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, 177 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 06:51:54,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:51:54,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-29 06:51:54,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-29 06:51:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 69 states have internal predecessors, (100), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:51:54,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 180 transitions. [2023-11-29 06:51:54,613 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 180 transitions. Word has length 250 [2023-11-29 06:51:54,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:54,613 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 180 transitions. [2023-11-29 06:51:54,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 06:51:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2023-11-29 06:51:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-29 06:51:54,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:54,621 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:54,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 06:51:54,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 06:51:54,827 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:54,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:54,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1666836950, now seen corresponding path program 1 times [2023-11-29 06:51:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:54,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492579618] [2023-11-29 06:51:54,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:54,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:54,906 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:54,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491520001] [2023-11-29 06:51:54,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:54,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:54,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:54,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:54,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:51:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:55,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:51:55,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:51:55,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:55,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:55,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492579618] [2023-11-29 06:51:55,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:55,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491520001] [2023-11-29 06:51:55,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491520001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:55,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:55,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:51:55,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40756488] [2023-11-29 06:51:55,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:55,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:51:55,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:55,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:51:55,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:51:55,216 INFO L87 Difference]: Start difference. First operand 111 states and 180 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:51:55,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:55,302 INFO L93 Difference]: Finished difference Result 325 states and 526 transitions. [2023-11-29 06:51:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:51:55,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 250 [2023-11-29 06:51:55,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:55,309 INFO L225 Difference]: With dead ends: 325 [2023-11-29 06:51:55,309 INFO L226 Difference]: Without dead ends: 215 [2023-11-29 06:51:55,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 248 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 06:51:55,313 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 162 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:55,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 467 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:51:55,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-11-29 06:51:55,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 123. [2023-11-29 06:51:55,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 81 states have (on average 1.4444444444444444) internal successors, (117), 81 states have internal predecessors, (117), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:51:55,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 197 transitions. [2023-11-29 06:51:55,343 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 197 transitions. Word has length 250 [2023-11-29 06:51:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:55,345 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 197 transitions. [2023-11-29 06:51:55,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:51:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2023-11-29 06:51:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-29 06:51:55,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:55,351 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:55,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:51:55,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:55,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:55,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:55,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1810481896, now seen corresponding path program 1 times [2023-11-29 06:51:55,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:55,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813271512] [2023-11-29 06:51:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:55,611 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:55,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028942620] [2023-11-29 06:51:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:55,614 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:55,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:51:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:55,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:51:55,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:51:55,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:55,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:55,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813271512] [2023-11-29 06:51:55,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:55,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028942620] [2023-11-29 06:51:55,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028942620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:55,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:55,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:51:55,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426244213] [2023-11-29 06:51:55,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:55,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:51:55,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:55,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:51:55,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:51:55,851 INFO L87 Difference]: Start difference. First operand 123 states and 197 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:51:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:55,885 INFO L93 Difference]: Finished difference Result 230 states and 370 transitions. [2023-11-29 06:51:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:51:55,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 250 [2023-11-29 06:51:55,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:55,889 INFO L225 Difference]: With dead ends: 230 [2023-11-29 06:51:55,889 INFO L226 Difference]: Without dead ends: 108 [2023-11-29 06:51:55,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 248 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 06:51:55,892 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 156 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:55,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 162 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:51:55,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-29 06:51:55,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-29 06:51:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:51:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 170 transitions. [2023-11-29 06:51:55,911 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 170 transitions. Word has length 250 [2023-11-29 06:51:55,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:55,912 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 170 transitions. [2023-11-29 06:51:55,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:51:55,913 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2023-11-29 06:51:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-29 06:51:55,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:55,917 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:55,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:51:56,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:56,118 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:56,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:56,118 INFO L85 PathProgramCache]: Analyzing trace with hash 271472958, now seen corresponding path program 1 times [2023-11-29 06:51:56,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:56,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792124213] [2023-11-29 06:51:56,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:56,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:56,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:56,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841998814] [2023-11-29 06:51:56,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:56,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:56,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:56,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:56,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:51:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:56,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:51:56,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:52:24,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:24,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:24,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792124213] [2023-11-29 06:52:24,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:52:24,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841998814] [2023-11-29 06:52:24,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841998814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:24,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:24,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:52:24,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773512085] [2023-11-29 06:52:24,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:24,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:24,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:24,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:24,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:24,954 INFO L87 Difference]: Start difference. First operand 108 states and 170 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:30,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:30,331 INFO L93 Difference]: Finished difference Result 257 states and 398 transitions. [2023-11-29 06:52:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:52:30,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 251 [2023-11-29 06:52:30,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:30,335 INFO L225 Difference]: With dead ends: 257 [2023-11-29 06:52:30,336 INFO L226 Difference]: Without dead ends: 150 [2023-11-29 06:52:30,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:52:30,338 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 137 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:30,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 598 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:52:30,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-29 06:52:30,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2023-11-29 06:52:30,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 100 states have (on average 1.38) internal successors, (138), 101 states have internal predecessors, (138), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 06:52:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 226 transitions. [2023-11-29 06:52:30,363 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 226 transitions. Word has length 251 [2023-11-29 06:52:30,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:30,364 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 226 transitions. [2023-11-29 06:52:30,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 226 transitions. [2023-11-29 06:52:30,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-29 06:52:30,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:30,367 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:52:30,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:52:30,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:30,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:52:30,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:30,568 INFO L85 PathProgramCache]: Analyzing trace with hash -181627930, now seen corresponding path program 1 times [2023-11-29 06:52:30,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:30,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918124717] [2023-11-29 06:52:30,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:30,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:30,612 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:52:30,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001473915] [2023-11-29 06:52:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:30,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:30,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:30,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:30,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:52:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:30,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:52:30,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 339 proven. 111 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2023-11-29 06:52:31,048 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:52:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 6 proven. 111 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-29 06:52:31,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:31,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918124717] [2023-11-29 06:52:31,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:52:31,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001473915] [2023-11-29 06:52:31,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001473915] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:52:31,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:52:31,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 06:52:31,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602349049] [2023-11-29 06:52:31,286 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:52:31,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:52:31,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:31,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:52:31,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:52:31,288 INFO L87 Difference]: Start difference. First operand 147 states and 226 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2023-11-29 06:52:31,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:31,689 INFO L93 Difference]: Finished difference Result 303 states and 459 transitions. [2023-11-29 06:52:31,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:52:31,689 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) Word has length 252 [2023-11-29 06:52:31,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:31,693 INFO L225 Difference]: With dead ends: 303 [2023-11-29 06:52:31,693 INFO L226 Difference]: Without dead ends: 157 [2023-11-29 06:52:31,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 494 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 06:52:31,695 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 65 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:31,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 281 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:52:31,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-29 06:52:31,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2023-11-29 06:52:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 106 states have (on average 1.349056603773585) internal successors, (143), 107 states have internal predecessors, (143), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 06:52:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 231 transitions. [2023-11-29 06:52:31,716 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 231 transitions. Word has length 252 [2023-11-29 06:52:31,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:31,717 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 231 transitions. [2023-11-29 06:52:31,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2023-11-29 06:52:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2023-11-29 06:52:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-29 06:52:31,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:31,721 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:52:31,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:52:31,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:31,922 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:52:31,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:31,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1987066264, now seen corresponding path program 1 times [2023-11-29 06:52:31,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:31,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368352398] [2023-11-29 06:52:31,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:31,958 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:52:31,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847013726] [2023-11-29 06:52:31,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:31,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:31,959 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:31,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:52:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:32,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:52:32,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:52:32,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:32,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:32,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368352398] [2023-11-29 06:52:32,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:52:32,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847013726] [2023-11-29 06:52:32,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847013726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:32,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:32,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:52:32,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619582249] [2023-11-29 06:52:32,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:32,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:32,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:32,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:32,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:32,575 INFO L87 Difference]: Start difference. First operand 155 states and 231 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:32,750 INFO L93 Difference]: Finished difference Result 323 states and 474 transitions. [2023-11-29 06:52:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:52:32,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 252 [2023-11-29 06:52:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:32,754 INFO L225 Difference]: With dead ends: 323 [2023-11-29 06:52:32,754 INFO L226 Difference]: Without dead ends: 169 [2023-11-29 06:52:32,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 247 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 06:52:32,755 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 100 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:32,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 643 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:52:32,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-29 06:52:32,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2023-11-29 06:52:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 115 states have internal predecessors, (149), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:52:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2023-11-29 06:52:32,779 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 252 [2023-11-29 06:52:32,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:32,780 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2023-11-29 06:52:32,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2023-11-29 06:52:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-29 06:52:32,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:32,782 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:52:32,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:52:32,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:32,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:52:32,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:32,983 INFO L85 PathProgramCache]: Analyzing trace with hash 889873283, now seen corresponding path program 1 times [2023-11-29 06:52:32,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:32,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653298560] [2023-11-29 06:52:32,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:32,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:33,022 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:52:33,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140694857] [2023-11-29 06:52:33,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:33,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:33,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:33,023 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:33,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:52:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:33,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:52:33,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:52:35,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:35,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:35,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653298560] [2023-11-29 06:52:35,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:52:35,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140694857] [2023-11-29 06:52:35,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140694857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:35,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:35,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:52:35,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131273087] [2023-11-29 06:52:35,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:35,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 06:52:35,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:35,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 06:52:35,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:52:35,092 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:35,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:35,830 INFO L93 Difference]: Finished difference Result 516 states and 751 transitions. [2023-11-29 06:52:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:52:35,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 253 [2023-11-29 06:52:35,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:35,835 INFO L225 Difference]: With dead ends: 516 [2023-11-29 06:52:35,835 INFO L226 Difference]: Without dead ends: 358 [2023-11-29 06:52:35,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:52:35,837 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 191 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:35,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 823 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:52:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-29 06:52:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 218. [2023-11-29 06:52:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 165 states have (on average 1.3575757575757577) internal successors, (224), 167 states have internal predecessors, (224), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:52:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 316 transitions. [2023-11-29 06:52:35,862 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 316 transitions. Word has length 253 [2023-11-29 06:52:35,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:35,863 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 316 transitions. [2023-11-29 06:52:35,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 316 transitions. [2023-11-29 06:52:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-29 06:52:35,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:35,866 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:52:35,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:52:36,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:36,067 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:52:36,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:36,068 INFO L85 PathProgramCache]: Analyzing trace with hash 72224833, now seen corresponding path program 1 times [2023-11-29 06:52:36,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:36,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581236149] [2023-11-29 06:52:36,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:36,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:36,100 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:52:36,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668758977] [2023-11-29 06:52:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:36,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:36,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:36,101 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:36,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:52:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:36,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 06:52:36,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:52:37,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:37,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:37,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581236149] [2023-11-29 06:52:37,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:52:37,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668758977] [2023-11-29 06:52:37,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668758977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:37,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:37,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:52:37,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082091836] [2023-11-29 06:52:37,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:37,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:52:37,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:37,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:52:37,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:52:37,319 INFO L87 Difference]: Start difference. First operand 218 states and 316 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:38,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:38,060 INFO L93 Difference]: Finished difference Result 574 states and 832 transitions. [2023-11-29 06:52:38,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:52:38,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 253 [2023-11-29 06:52:38,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:38,063 INFO L225 Difference]: With dead ends: 574 [2023-11-29 06:52:38,063 INFO L226 Difference]: Without dead ends: 364 [2023-11-29 06:52:38,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:52:38,065 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 199 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:38,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 825 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:52:38,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-11-29 06:52:38,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 218. [2023-11-29 06:52:38,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 165 states have (on average 1.3575757575757577) internal successors, (224), 167 states have internal predecessors, (224), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:52:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 316 transitions. [2023-11-29 06:52:38,086 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 316 transitions. Word has length 253 [2023-11-29 06:52:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:38,086 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 316 transitions. [2023-11-29 06:52:38,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:52:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 316 transitions. [2023-11-29 06:52:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-29 06:52:38,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:38,089 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:52:38,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 06:52:38,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:38,290 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:52:38,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:38,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1108728001, now seen corresponding path program 1 times [2023-11-29 06:52:38,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:38,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690838203] [2023-11-29 06:52:38,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:38,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:38,321 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:52:38,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766712698] [2023-11-29 06:52:38,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:38,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:52:38,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:38,322 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:52:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:52:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:38,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 06:52:38,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1554 proven. 330 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2023-11-29 06:52:42,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690838203] [2023-11-29 06:53:05,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766712698] [2023-11-29 06:53:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766712698] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:05,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:05,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21] total 27 [2023-11-29 06:53:05,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833786263] [2023-11-29 06:53:05,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:05,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 06:53:05,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:05,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 06:53:05,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=596, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:53:05,252 INFO L87 Difference]: Start difference. First operand 218 states and 316 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:12,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:12,051 INFO L93 Difference]: Finished difference Result 584 states and 847 transitions. [2023-11-29 06:53:12,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:53:12,052 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 253 [2023-11-29 06:53:12,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:12,056 INFO L225 Difference]: With dead ends: 584 [2023-11-29 06:53:12,056 INFO L226 Difference]: Without dead ends: 374 [2023-11-29 06:53:12,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=168, Invalid=954, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 06:53:12,058 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 201 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:12,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 907 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 06:53:12,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-11-29 06:53:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 222. [2023-11-29 06:53:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 169 states have (on average 1.3609467455621302) internal successors, (230), 171 states have internal predecessors, (230), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:53:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 322 transitions. [2023-11-29 06:53:12,086 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 322 transitions. Word has length 253 [2023-11-29 06:53:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:12,087 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 322 transitions. [2023-11-29 06:53:12,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 322 transitions. [2023-11-29 06:53:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-29 06:53:12,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:12,090 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:12,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 06:53:12,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:12,291 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:12,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:12,291 INFO L85 PathProgramCache]: Analyzing trace with hash 291079551, now seen corresponding path program 1 times [2023-11-29 06:53:12,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:12,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277487996] [2023-11-29 06:53:12,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:12,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:12,324 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:12,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223556062] [2023-11-29 06:53:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:12,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:12,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:12,325 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:12,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:53:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:12,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:53:12,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:13,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:13,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:13,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277487996] [2023-11-29 06:53:13,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:13,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223556062] [2023-11-29 06:53:13,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223556062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:13,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:13,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:53:13,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5966304] [2023-11-29 06:53:13,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:13,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:13,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:13,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:13,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:13,082 INFO L87 Difference]: Start difference. First operand 222 states and 322 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:13,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:13,485 INFO L93 Difference]: Finished difference Result 772 states and 1118 transitions. [2023-11-29 06:53:13,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:13,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 253 [2023-11-29 06:53:13,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:13,491 INFO L225 Difference]: With dead ends: 772 [2023-11-29 06:53:13,491 INFO L226 Difference]: Without dead ends: 558 [2023-11-29 06:53:13,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:53:13,492 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 106 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:13,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 495 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:53:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2023-11-29 06:53:13,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 553. [2023-11-29 06:53:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 410 states have (on average 1.3317073170731708) internal successors, (546), 415 states have internal predecessors, (546), 126 states have call successors, (126), 16 states have call predecessors, (126), 16 states have return successors, (126), 121 states have call predecessors, (126), 126 states have call successors, (126) [2023-11-29 06:53:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 798 transitions. [2023-11-29 06:53:13,555 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 798 transitions. Word has length 253 [2023-11-29 06:53:13,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:13,555 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 798 transitions. [2023-11-29 06:53:13,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 798 transitions. [2023-11-29 06:53:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-29 06:53:13,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:13,558 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:13,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:13,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 06:53:13,759 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:13,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:13,759 INFO L85 PathProgramCache]: Analyzing trace with hash -101947459, now seen corresponding path program 1 times [2023-11-29 06:53:13,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:13,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167704013] [2023-11-29 06:53:13,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:13,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:13,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1197344997] [2023-11-29 06:53:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:13,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:13,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:13,794 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:13,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:53:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 06:53:13,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:15,086 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:15,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:15,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167704013] [2023-11-29 06:53:15,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:15,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197344997] [2023-11-29 06:53:15,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197344997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:15,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:15,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:53:15,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466598442] [2023-11-29 06:53:15,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:15,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:53:15,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:15,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:53:15,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:15,089 INFO L87 Difference]: Start difference. First operand 553 states and 798 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:16,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:16,113 INFO L93 Difference]: Finished difference Result 1400 states and 2018 transitions. [2023-11-29 06:53:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:53:16,114 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 253 [2023-11-29 06:53:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:16,119 INFO L225 Difference]: With dead ends: 1400 [2023-11-29 06:53:16,119 INFO L226 Difference]: Without dead ends: 855 [2023-11-29 06:53:16,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:53:16,121 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 155 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:16,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1011 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:53:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2023-11-29 06:53:16,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 545. [2023-11-29 06:53:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 402 states have (on average 1.328358208955224) internal successors, (534), 407 states have internal predecessors, (534), 126 states have call successors, (126), 16 states have call predecessors, (126), 16 states have return successors, (126), 121 states have call predecessors, (126), 126 states have call successors, (126) [2023-11-29 06:53:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 786 transitions. [2023-11-29 06:53:16,194 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 786 transitions. Word has length 253 [2023-11-29 06:53:16,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:16,195 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 786 transitions. [2023-11-29 06:53:16,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 786 transitions. [2023-11-29 06:53:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:53:16,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:16,197 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:16,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 06:53:16,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:16,398 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:16,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:16,398 INFO L85 PathProgramCache]: Analyzing trace with hash 540448733, now seen corresponding path program 1 times [2023-11-29 06:53:16,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:16,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760452197] [2023-11-29 06:53:16,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:16,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:16,431 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:16,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036961234] [2023-11-29 06:53:16,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:16,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:16,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:16,433 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:16,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:53:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:16,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:16,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:16,667 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:16,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760452197] [2023-11-29 06:53:16,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036961234] [2023-11-29 06:53:16,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036961234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:16,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:16,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:53:16,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007996771] [2023-11-29 06:53:16,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:16,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:16,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:16,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:16,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:16,669 INFO L87 Difference]: Start difference. First operand 545 states and 786 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:16,837 INFO L93 Difference]: Finished difference Result 1288 states and 1846 transitions. [2023-11-29 06:53:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:16,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2023-11-29 06:53:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:16,844 INFO L225 Difference]: With dead ends: 1288 [2023-11-29 06:53:16,844 INFO L226 Difference]: Without dead ends: 751 [2023-11-29 06:53:16,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 252 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 06:53:16,847 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 43 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:16,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 320 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:16,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2023-11-29 06:53:16,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 688. [2023-11-29 06:53:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 539 states have (on average 1.3450834879406308) internal successors, (725), 546 states have internal predecessors, (725), 130 states have call successors, (130), 18 states have call predecessors, (130), 18 states have return successors, (130), 123 states have call predecessors, (130), 130 states have call successors, (130) [2023-11-29 06:53:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 985 transitions. [2023-11-29 06:53:16,942 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 985 transitions. Word has length 254 [2023-11-29 06:53:16,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:16,942 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 985 transitions. [2023-11-29 06:53:16,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 985 transitions. [2023-11-29 06:53:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:53:16,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:16,945 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:16,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:17,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:17,146 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:17,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:17,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1618422001, now seen corresponding path program 1 times [2023-11-29 06:53:17,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:17,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052194743] [2023-11-29 06:53:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:17,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:17,177 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:17,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806624943] [2023-11-29 06:53:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:17,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:17,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:17,180 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:17,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:53:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:17,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:17,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:17,413 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:17,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:17,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052194743] [2023-11-29 06:53:17,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:17,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806624943] [2023-11-29 06:53:17,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806624943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:17,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:17,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:53:17,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67193603] [2023-11-29 06:53:17,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:17,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:17,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:17,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:17,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:17,415 INFO L87 Difference]: Start difference. First operand 688 states and 985 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:17,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:17,581 INFO L93 Difference]: Finished difference Result 1443 states and 2048 transitions. [2023-11-29 06:53:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:17,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2023-11-29 06:53:17,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:17,588 INFO L225 Difference]: With dead ends: 1443 [2023-11-29 06:53:17,588 INFO L226 Difference]: Without dead ends: 756 [2023-11-29 06:53:17,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 252 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 06:53:17,591 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 41 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:17,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 282 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:17,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2023-11-29 06:53:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 652. [2023-11-29 06:53:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 509 states have (on average 1.3182711198428292) internal successors, (671), 513 states have internal predecessors, (671), 124 states have call successors, (124), 18 states have call predecessors, (124), 18 states have return successors, (124), 120 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 06:53:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 919 transitions. [2023-11-29 06:53:17,676 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 919 transitions. Word has length 254 [2023-11-29 06:53:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:17,677 INFO L495 AbstractCegarLoop]: Abstraction has 652 states and 919 transitions. [2023-11-29 06:53:17,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 919 transitions. [2023-11-29 06:53:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:53:17,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:17,680 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:17,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 06:53:17,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:53:17,881 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:17,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:17,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1981059190, now seen corresponding path program 1 times [2023-11-29 06:53:17,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:17,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364953931] [2023-11-29 06:53:17,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:17,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:17,911 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:17,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199447290] [2023-11-29 06:53:17,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:17,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:17,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:17,913 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:17,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:53:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:18,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:53:18,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:19,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:19,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364953931] [2023-11-29 06:53:19,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199447290] [2023-11-29 06:53:19,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199447290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:19,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:19,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:53:19,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550358396] [2023-11-29 06:53:19,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:19,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:53:19,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:19,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:53:19,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:19,632 INFO L87 Difference]: Start difference. First operand 652 states and 919 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:20,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:20,658 INFO L93 Difference]: Finished difference Result 1322 states and 1858 transitions. [2023-11-29 06:53:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:53:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2023-11-29 06:53:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:20,663 INFO L225 Difference]: With dead ends: 1322 [2023-11-29 06:53:20,663 INFO L226 Difference]: Without dead ends: 1062 [2023-11-29 06:53:20,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:53:20,665 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 179 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:20,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1201 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:53:20,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2023-11-29 06:53:20,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 686. [2023-11-29 06:53:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 543 states have (on average 1.3278084714548803) internal successors, (721), 547 states have internal predecessors, (721), 124 states have call successors, (124), 18 states have call predecessors, (124), 18 states have return successors, (124), 120 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 06:53:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 969 transitions. [2023-11-29 06:53:20,746 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 969 transitions. Word has length 254 [2023-11-29 06:53:20,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:20,747 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 969 transitions. [2023-11-29 06:53:20,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 969 transitions. [2023-11-29 06:53:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:53:20,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:20,751 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:20,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:20,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:20,952 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:20,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:20,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1103232646, now seen corresponding path program 1 times [2023-11-29 06:53:20,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:20,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22430604] [2023-11-29 06:53:20,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:20,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:20,984 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:20,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274357992] [2023-11-29 06:53:20,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:20,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:20,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:20,985 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:20,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:53:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:21,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 06:53:21,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:21,901 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:21,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:21,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22430604] [2023-11-29 06:53:21,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:21,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274357992] [2023-11-29 06:53:21,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274357992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:21,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:21,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:53:21,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202645857] [2023-11-29 06:53:21,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:21,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:53:21,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:21,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:53:21,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:53:21,903 INFO L87 Difference]: Start difference. First operand 686 states and 969 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:22,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:22,665 INFO L93 Difference]: Finished difference Result 1747 states and 2451 transitions. [2023-11-29 06:53:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:53:22,666 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2023-11-29 06:53:22,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:22,671 INFO L225 Difference]: With dead ends: 1747 [2023-11-29 06:53:22,672 INFO L226 Difference]: Without dead ends: 1062 [2023-11-29 06:53:22,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:53:22,674 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 217 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:22,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1216 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:53:22,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2023-11-29 06:53:22,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 678. [2023-11-29 06:53:22,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 535 states have (on average 1.325233644859813) internal successors, (709), 539 states have internal predecessors, (709), 124 states have call successors, (124), 18 states have call predecessors, (124), 18 states have return successors, (124), 120 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 06:53:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 957 transitions. [2023-11-29 06:53:22,769 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 957 transitions. Word has length 254 [2023-11-29 06:53:22,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:22,770 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 957 transitions. [2023-11-29 06:53:22,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 957 transitions. [2023-11-29 06:53:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:53:22,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:22,773 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:22,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:22,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:22,973 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:22,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:22,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1762204472, now seen corresponding path program 1 times [2023-11-29 06:53:22,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:22,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644086105] [2023-11-29 06:53:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:22,997 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:22,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358146868] [2023-11-29 06:53:22,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:22,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:22,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:22,999 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:23,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:53:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:23,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 06:53:23,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1290 proven. 192 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2023-11-29 06:53:25,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:53:49,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:49,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644086105] [2023-11-29 06:53:49,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:49,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358146868] [2023-11-29 06:53:49,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358146868] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:49,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:49,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 23 [2023-11-29 06:53:49,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317441221] [2023-11-29 06:53:49,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:49,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:53:49,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:49,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:53:49,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2023-11-29 06:53:49,678 INFO L87 Difference]: Start difference. First operand 678 states and 957 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:53:56,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:08,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:20,263 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 143 DAG size of output: 141 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:54:24,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:28,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:30,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:34,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:38,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:42,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:46,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:50,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:53,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:54:58,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:02,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:06,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:07,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:11,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:15,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:17,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:21,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:25,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:29,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:33,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:37,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:42,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:46,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:50,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:55:52,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:09,434 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 151 DAG size of output: 147 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:56:18,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:19,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:31,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:33,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:38,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:40,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:45,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:47,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:52,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:56:56,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:57:00,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:57:01,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 06:57:01,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:57:01,643 INFO L93 Difference]: Finished difference Result 1335 states and 1871 transitions. [2023-11-29 06:57:01,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:57:01,645 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2023-11-29 06:57:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:57:01,649 INFO L225 Difference]: With dead ends: 1335 [2023-11-29 06:57:01,649 INFO L226 Difference]: Without dead ends: 1062 [2023-11-29 06:57:01,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 54.7s TimeCoverageRelationStatistics Valid=170, Invalid=819, Unknown=3, NotChecked=0, Total=992 [2023-11-29 06:57:01,651 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 248 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 2 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 143.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1345 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 143.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:57:01,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 1345 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 539 Invalid, 28 Unknown, 0 Unchecked, 143.9s Time] [2023-11-29 06:57:01,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2023-11-29 06:57:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 686. [2023-11-29 06:57:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 543 states have (on average 1.3278084714548803) internal successors, (721), 547 states have internal predecessors, (721), 124 states have call successors, (124), 18 states have call predecessors, (124), 18 states have return successors, (124), 120 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 06:57:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 969 transitions. [2023-11-29 06:57:01,710 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 969 transitions. Word has length 254 [2023-11-29 06:57:01,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:57:01,710 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 969 transitions. [2023-11-29 06:57:01,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:57:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 969 transitions. [2023-11-29 06:57:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:57:01,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:57:01,713 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:01,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 06:57:01,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:57:01,913 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:57:01,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:01,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1322087364, now seen corresponding path program 1 times [2023-11-29 06:57:01,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:01,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957809147] [2023-11-29 06:57:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:01,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:01,940 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:57:01,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1105470714] [2023-11-29 06:57:01,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:01,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:57:01,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:01,942 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:57:01,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:57:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:02,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-29 06:57:02,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1554 proven. 330 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2023-11-29 06:57:04,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:57:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:57:25,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:57:25,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957809147] [2023-11-29 06:57:25,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:57:25,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105470714] [2023-11-29 06:57:25,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105470714] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:57:25,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:57:25,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [24] total 33 [2023-11-29 06:57:25,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171181832] [2023-11-29 06:57:25,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:57:25,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:57:25,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:57:25,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:57:25,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=898, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 06:57:25,349 INFO L87 Difference]: Start difference. First operand 686 states and 969 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:57:37,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:57:37,535 INFO L93 Difference]: Finished difference Result 1657 states and 2329 transitions. [2023-11-29 06:57:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:57:37,536 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2023-11-29 06:57:37,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:57:37,541 INFO L225 Difference]: With dead ends: 1657 [2023-11-29 06:57:37,541 INFO L226 Difference]: Without dead ends: 972 [2023-11-29 06:57:37,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=260, Invalid=1380, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 06:57:37,544 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 251 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:57:37,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1276 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-29 06:57:37,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2023-11-29 06:57:37,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 614. [2023-11-29 06:57:37,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 471 states have (on average 1.3184713375796178) internal successors, (621), 475 states have internal predecessors, (621), 124 states have call successors, (124), 18 states have call predecessors, (124), 18 states have return successors, (124), 120 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 06:57:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 869 transitions. [2023-11-29 06:57:37,601 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 869 transitions. Word has length 254 [2023-11-29 06:57:37,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:57:37,602 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 869 transitions. [2023-11-29 06:57:37,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:57:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 869 transitions. [2023-11-29 06:57:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:57:37,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:57:37,604 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:37,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-29 06:57:37,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 06:57:37,805 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:57:37,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:37,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1958426936, now seen corresponding path program 1 times [2023-11-29 06:57:37,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:37,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026137205] [2023-11-29 06:57:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:37,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:37,828 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:57:37,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117606701] [2023-11-29 06:57:37,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:37,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:57:37,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:37,830 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:57:37,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 06:57:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:37,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:57:38,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:57:47,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:57:47,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:57:47,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026137205] [2023-11-29 06:57:47,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:57:47,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117606701] [2023-11-29 06:57:47,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117606701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:57:47,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:57:47,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:57:47,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707167423] [2023-11-29 06:57:47,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:57:47,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:57:47,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:57:47,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:57:47,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:57:47,688 INFO L87 Difference]: Start difference. First operand 614 states and 869 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:57:53,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:57:53,562 INFO L93 Difference]: Finished difference Result 1356 states and 1888 transitions. [2023-11-29 06:57:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:57:53,563 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2023-11-29 06:57:53,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:57:53,570 INFO L225 Difference]: With dead ends: 1356 [2023-11-29 06:57:53,570 INFO L226 Difference]: Without dead ends: 1096 [2023-11-29 06:57:53,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:57:53,572 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 205 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:57:53,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1217 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 06:57:53,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-29 06:57:53,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 614. [2023-11-29 06:57:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 471 states have (on average 1.3184713375796178) internal successors, (621), 475 states have internal predecessors, (621), 124 states have call successors, (124), 18 states have call predecessors, (124), 18 states have return successors, (124), 120 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 06:57:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 869 transitions. [2023-11-29 06:57:53,631 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 869 transitions. Word has length 254 [2023-11-29 06:57:53,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:57:53,631 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 869 transitions. [2023-11-29 06:57:53,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:57:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 869 transitions. [2023-11-29 06:57:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-11-29 06:57:53,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:57:53,633 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:53,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 06:57:53,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:57:53,834 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:57:53,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1739572218, now seen corresponding path program 1 times [2023-11-29 06:57:53,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:53,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632962999] [2023-11-29 06:57:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:53,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:53,865 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:57:53,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700890385] [2023-11-29 06:57:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:53,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:57:53,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:53,867 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:57:53,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 06:57:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:54,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 06:57:54,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1308 proven. 174 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2023-11-29 06:57:54,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:57:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 54 proven. 177 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2023-11-29 06:57:55,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:57:55,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632962999] [2023-11-29 06:57:55,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:57:55,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700890385] [2023-11-29 06:57:55,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700890385] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:57:55,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:57:55,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-11-29 06:57:55,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011178233] [2023-11-29 06:57:55,407 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:57:55,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 06:57:55,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:57:55,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 06:57:55,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:57:55,409 INFO L87 Difference]: Start difference. First operand 614 states and 869 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 6 states have call successors, (80), 4 states have call predecessors, (80), 8 states have return successors, (80), 6 states have call predecessors, (80), 6 states have call successors, (80) [2023-11-29 06:57:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:57:57,306 INFO L93 Difference]: Finished difference Result 3260 states and 4521 transitions. [2023-11-29 06:57:57,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 06:57:57,307 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 6 states have call successors, (80), 4 states have call predecessors, (80), 8 states have return successors, (80), 6 states have call predecessors, (80), 6 states have call successors, (80) Word has length 254 [2023-11-29 06:57:57,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:57:57,318 INFO L225 Difference]: With dead ends: 3260 [2023-11-29 06:57:57,319 INFO L226 Difference]: Without dead ends: 2647 [2023-11-29 06:57:57,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 496 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 06:57:57,321 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 718 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:57:57,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 899 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 06:57:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2023-11-29 06:57:57,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 1659. [2023-11-29 06:57:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1365 states have (on average 1.3238095238095238) internal successors, (1807), 1373 states have internal predecessors, (1807), 248 states have call successors, (248), 45 states have call predecessors, (248), 45 states have return successors, (248), 240 states have call predecessors, (248), 248 states have call successors, (248) [2023-11-29 06:57:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2303 transitions. [2023-11-29 06:57:57,472 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2303 transitions. Word has length 254 [2023-11-29 06:57:57,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:57:57,472 INFO L495 AbstractCegarLoop]: Abstraction has 1659 states and 2303 transitions. [2023-11-29 06:57:57,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 6 states have call successors, (80), 4 states have call predecessors, (80), 8 states have return successors, (80), 6 states have call predecessors, (80), 6 states have call successors, (80) [2023-11-29 06:57:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2303 transitions. [2023-11-29 06:57:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 06:57:57,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:57:57,476 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:57,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 06:57:57,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:57:57,676 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:57:57,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:57,677 INFO L85 PathProgramCache]: Analyzing trace with hash -623804457, now seen corresponding path program 1 times [2023-11-29 06:57:57,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:57,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954931045] [2023-11-29 06:57:57,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:57,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:57,710 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:57:57,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829665914] [2023-11-29 06:57:57,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:57,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:57:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:57,711 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:57:57,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 06:57:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:57,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:57:57,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:57:59,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:57:59,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:57:59,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954931045] [2023-11-29 06:57:59,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:57:59,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829665914] [2023-11-29 06:57:59,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829665914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:57:59,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:57:59,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 06:57:59,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417988553] [2023-11-29 06:57:59,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:57:59,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 06:57:59,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:57:59,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 06:57:59,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:57:59,671 INFO L87 Difference]: Start difference. First operand 1659 states and 2303 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:00,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:00,864 INFO L93 Difference]: Finished difference Result 2721 states and 3799 transitions. [2023-11-29 06:58:00,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:58:00,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 255 [2023-11-29 06:58:00,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:00,879 INFO L225 Difference]: With dead ends: 2721 [2023-11-29 06:58:00,880 INFO L226 Difference]: Without dead ends: 2316 [2023-11-29 06:58:00,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:58:00,882 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 136 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:00,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1175 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 06:58:00,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2023-11-29 06:58:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 1787. [2023-11-29 06:58:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1493 states have (on average 1.336235766912257) internal successors, (1995), 1501 states have internal predecessors, (1995), 248 states have call successors, (248), 45 states have call predecessors, (248), 45 states have return successors, (248), 240 states have call predecessors, (248), 248 states have call successors, (248) [2023-11-29 06:58:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2491 transitions. [2023-11-29 06:58:01,088 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2491 transitions. Word has length 255 [2023-11-29 06:58:01,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:01,088 INFO L495 AbstractCegarLoop]: Abstraction has 1787 states and 2491 transitions. [2023-11-29 06:58:01,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2491 transitions. [2023-11-29 06:58:01,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 06:58:01,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:01,093 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:01,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 06:58:01,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:58:01,293 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:01,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:01,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1151202905, now seen corresponding path program 1 times [2023-11-29 06:58:01,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:58:01,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427297910] [2023-11-29 06:58:01,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:58:01,319 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:58:01,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750042264] [2023-11-29 06:58:01,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:01,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:58:01,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:01,321 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:58:01,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 06:58:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:01,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:58:01,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:58:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:58:01,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:58:01,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:58:01,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427297910] [2023-11-29 06:58:01,531 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:58:01,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750042264] [2023-11-29 06:58:01,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750042264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:58:01,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:58:01,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:58:01,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221223631] [2023-11-29 06:58:01,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:58:01,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:58:01,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:58:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:58:01,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:58:01,533 INFO L87 Difference]: Start difference. First operand 1787 states and 2491 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:01,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:01,792 INFO L93 Difference]: Finished difference Result 4259 states and 5918 transitions. [2023-11-29 06:58:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:58:01,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 255 [2023-11-29 06:58:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:01,807 INFO L225 Difference]: With dead ends: 4259 [2023-11-29 06:58:01,807 INFO L226 Difference]: Without dead ends: 2473 [2023-11-29 06:58:01,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 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 06:58:01,812 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 41 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:01,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 330 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:58:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2023-11-29 06:58:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 2207. [2023-11-29 06:58:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2207 states, 1913 states have (on average 1.341871406168322) internal successors, (2567), 1921 states have internal predecessors, (2567), 248 states have call successors, (248), 45 states have call predecessors, (248), 45 states have return successors, (248), 240 states have call predecessors, (248), 248 states have call successors, (248) [2023-11-29 06:58:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 3063 transitions. [2023-11-29 06:58:02,017 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 3063 transitions. Word has length 255 [2023-11-29 06:58:02,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:02,018 INFO L495 AbstractCegarLoop]: Abstraction has 2207 states and 3063 transitions. [2023-11-29 06:58:02,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 3063 transitions. [2023-11-29 06:58:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 06:58:02,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:02,024 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:02,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 06:58:02,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 06:58:02,224 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:02,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:02,225 INFO L85 PathProgramCache]: Analyzing trace with hash 499961947, now seen corresponding path program 1 times [2023-11-29 06:58:02,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:58:02,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109688404] [2023-11-29 06:58:02,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:02,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:58:02,253 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:58:02,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672119915] [2023-11-29 06:58:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:02,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:58:02,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:02,254 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:58:02,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 06:58:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:02,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 06:58:02,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:58:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:58:03,152 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:58:03,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:58:03,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109688404] [2023-11-29 06:58:03,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:58:03,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672119915] [2023-11-29 06:58:03,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672119915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:58:03,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:58:03,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:58:03,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548655814] [2023-11-29 06:58:03,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:58:03,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:58:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:58:03,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:58:03,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:58:03,154 INFO L87 Difference]: Start difference. First operand 2207 states and 3063 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:04,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:04,298 INFO L93 Difference]: Finished difference Result 3961 states and 5479 transitions. [2023-11-29 06:58:04,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:58:04,299 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 255 [2023-11-29 06:58:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:04,315 INFO L225 Difference]: With dead ends: 3961 [2023-11-29 06:58:04,315 INFO L226 Difference]: Without dead ends: 2714 [2023-11-29 06:58:04,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:58:04,319 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 153 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:04,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1215 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:58:04,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2023-11-29 06:58:04,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2291. [2023-11-29 06:58:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2291 states, 1997 states have (on average 1.3395092638958437) internal successors, (2675), 2005 states have internal predecessors, (2675), 248 states have call successors, (248), 45 states have call predecessors, (248), 45 states have return successors, (248), 240 states have call predecessors, (248), 248 states have call successors, (248) [2023-11-29 06:58:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3171 transitions. [2023-11-29 06:58:04,472 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3171 transitions. Word has length 255 [2023-11-29 06:58:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:04,473 INFO L495 AbstractCegarLoop]: Abstraction has 2291 states and 3171 transitions. [2023-11-29 06:58:04,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3171 transitions. [2023-11-29 06:58:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 06:58:04,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:04,477 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:04,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 06:58:04,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-29 06:58:04,677 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:04,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:04,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1865724505, now seen corresponding path program 1 times [2023-11-29 06:58:04,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:58:04,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31983153] [2023-11-29 06:58:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:04,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:58:04,704 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:58:04,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875166698] [2023-11-29 06:58:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:04,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:58:04,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:04,706 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:58:04,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 06:58:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:04,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:58:04,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:58:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1008 proven. 201 refuted. 0 times theorem prover too weak. 1911 trivial. 0 not checked. [2023-11-29 06:58:05,445 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:58:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 27 proven. 204 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2023-11-29 06:58:05,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:58:05,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31983153] [2023-11-29 06:58:05,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:58:05,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875166698] [2023-11-29 06:58:05,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875166698] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:58:05,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:58:05,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2023-11-29 06:58:05,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440965898] [2023-11-29 06:58:05,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:58:05,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:58:05,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:58:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:58:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:58:05,902 INFO L87 Difference]: Start difference. First operand 2291 states and 3171 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 4 states have call successors, (77), 3 states have call predecessors, (77), 7 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2023-11-29 06:58:07,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:07,017 INFO L93 Difference]: Finished difference Result 4286 states and 5825 transitions. [2023-11-29 06:58:07,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 06:58:07,018 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 4 states have call successors, (77), 3 states have call predecessors, (77), 7 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) Word has length 255 [2023-11-29 06:58:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:07,030 INFO L225 Difference]: With dead ends: 4286 [2023-11-29 06:58:07,030 INFO L226 Difference]: Without dead ends: 2955 [2023-11-29 06:58:07,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 495 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=391, Invalid=731, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 06:58:07,033 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 362 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:07,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 752 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:58:07,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states. [2023-11-29 06:58:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2203. [2023-11-29 06:58:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2203 states, 1906 states have (on average 1.335781741867786) internal successors, (2546), 1914 states have internal predecessors, (2546), 248 states have call successors, (248), 48 states have call predecessors, (248), 48 states have return successors, (248), 240 states have call predecessors, (248), 248 states have call successors, (248) [2023-11-29 06:58:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 3042 transitions. [2023-11-29 06:58:07,197 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 3042 transitions. Word has length 255 [2023-11-29 06:58:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:07,197 INFO L495 AbstractCegarLoop]: Abstraction has 2203 states and 3042 transitions. [2023-11-29 06:58:07,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 4 states have call successors, (77), 3 states have call predecessors, (77), 7 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2023-11-29 06:58:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 3042 transitions. [2023-11-29 06:58:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 06:58:07,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:07,204 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:07,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-29 06:58:07,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-29 06:58:07,405 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:07,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:07,405 INFO L85 PathProgramCache]: Analyzing trace with hash -44828760, now seen corresponding path program 1 times [2023-11-29 06:58:07,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:58:07,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284189576] [2023-11-29 06:58:07,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:07,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:58:07,434 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:58:07,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1421656803] [2023-11-29 06:58:07,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:07,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:58:07,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:07,435 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:58:07,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 06:58:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:07,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:58:07,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:58:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:58:07,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:58:07,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:58:07,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284189576] [2023-11-29 06:58:07,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:58:07,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421656803] [2023-11-29 06:58:07,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421656803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:58:07,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:58:07,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:58:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132887742] [2023-11-29 06:58:07,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:58:07,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:58:07,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:58:07,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:58:07,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:58:07,925 INFO L87 Difference]: Start difference. First operand 2203 states and 3042 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:08,333 INFO L93 Difference]: Finished difference Result 5359 states and 7366 transitions. [2023-11-29 06:58:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:58:08,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 255 [2023-11-29 06:58:08,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:08,347 INFO L225 Difference]: With dead ends: 5359 [2023-11-29 06:58:08,348 INFO L226 Difference]: Without dead ends: 3157 [2023-11-29 06:58:08,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:58:08,351 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 154 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:08,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 307 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:58:08,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2023-11-29 06:58:08,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 2821. [2023-11-29 06:58:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2436 states have (on average 1.3185550082101807) internal successors, (3212), 2448 states have internal predecessors, (3212), 320 states have call successors, (320), 64 states have call predecessors, (320), 64 states have return successors, (320), 308 states have call predecessors, (320), 320 states have call successors, (320) [2023-11-29 06:58:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3852 transitions. [2023-11-29 06:58:08,544 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3852 transitions. Word has length 255 [2023-11-29 06:58:08,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:08,545 INFO L495 AbstractCegarLoop]: Abstraction has 2821 states and 3852 transitions. [2023-11-29 06:58:08,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3852 transitions. [2023-11-29 06:58:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 06:58:08,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:08,549 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:08,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 06:58:08,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 06:58:08,749 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:08,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1629935130, now seen corresponding path program 1 times [2023-11-29 06:58:08,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:58:08,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617310047] [2023-11-29 06:58:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:58:08,770 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:58:08,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600462268] [2023-11-29 06:58:08,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:08,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:58:08,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:08,771 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:58:08,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 06:58:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:58:08,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:58:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:58:09,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:58:09,240 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:58:09,241 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:58:09,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 06:58:09,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 06:58:09,446 INFO L445 BasicCegarLoop]: Path program histogram: [1, 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 06:58:09,449 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:58:09,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 06:58:09,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 06:58:09,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated [2023-11-29 06:58:09,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 06:58:09,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated [2023-11-29 06:58:09,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated [2023-11-29 06:58:09,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 06:58:09,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated [2023-11-29 06:58:09,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-29 06:58:09,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 06:58:09,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-29 06:58:09,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-29 06:58:09,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated [2023-11-29 06:58:09,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 06:58:09,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-29 06:58:09,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-29 06:58:09,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated [2023-11-29 06:58:09,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 06:58:09,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:58:09 BoogieIcfgContainer [2023-11-29 06:58:09,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:58:09,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:58:09,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:58:09,604 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:58:09,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:53" (3/4) ... [2023-11-29 06:58:09,606 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:58:09,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:58:09,607 INFO L158 Benchmark]: Toolchain (without parser) took 377121.24ms. Allocated memory was 188.7MB in the beginning and 406.8MB in the end (delta: 218.1MB). Free memory was 145.5MB in the beginning and 325.5MB in the end (delta: -180.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-29 06:58:09,608 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 188.7MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:58:09,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.95ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 129.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:58:09,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.46ms. Allocated memory is still 188.7MB. Free memory was 129.2MB in the beginning and 124.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:58:09,609 INFO L158 Benchmark]: Boogie Preprocessor took 80.13ms. Allocated memory is still 188.7MB. Free memory was 124.1MB in the beginning and 117.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:58:09,609 INFO L158 Benchmark]: RCFGBuilder took 667.98ms. Allocated memory is still 188.7MB. Free memory was 117.8MB in the beginning and 83.8MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 06:58:09,609 INFO L158 Benchmark]: TraceAbstraction took 375936.05ms. Allocated memory was 188.7MB in the beginning and 406.8MB in the end (delta: 218.1MB). Free memory was 83.4MB in the beginning and 326.5MB in the end (delta: -243.2MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. [2023-11-29 06:58:09,610 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 406.8MB. Free memory was 326.5MB in the beginning and 325.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:58:09,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 188.7MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.95ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 129.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.46ms. Allocated memory is still 188.7MB. Free memory was 129.2MB in the beginning and 124.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.13ms. Allocated memory is still 188.7MB. Free memory was 124.1MB in the beginning and 117.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 667.98ms. Allocated memory is still 188.7MB. Free memory was 117.8MB in the beginning and 83.8MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 375936.05ms. Allocated memory was 188.7MB in the beginning and 406.8MB in the end (delta: 218.1MB). Free memory was 83.4MB in the beginning and 326.5MB in the end (delta: -243.2MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 406.8MB. Free memory was 326.5MB in the beginning and 325.5MB 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~short27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 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 205, overapproximation of someBinaryFLOATComparisonOperation at line 196. 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_24 = 2; [L43] unsigned char var_1_27 = 0; [L44] unsigned char var_1_29 = 0; [L45] unsigned char var_1_30 = 0; [L46] unsigned char var_1_31 = 0; [L47] unsigned char var_1_32 = 1; [L48] unsigned char var_1_33 = 0; [L49] unsigned char var_1_34 = 16; [L50] signed short int var_1_35 = 8; [L51] signed long int var_1_36 = -10; [L52] signed short int var_1_37 = -4; [L53] float var_1_38 = 15.875; [L54] double var_1_39 = 0.125; [L55] double var_1_40 = 3.8; [L56] float var_1_42 = 1.75; [L57] signed char var_1_43 = -8; [L58] signed char var_1_45 = 25; [L59] unsigned short int last_1_var_1_15 = 128; [L209] isInitial = 1 [L210] FCALL initially() [L211] COND TRUE 1 [L212] CALL updateLastVariables() [L202] last_1_var_1_15 = var_1_15 [L212] RET updateLastVariables() [L213] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_char() [L141] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L141] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L142] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L142] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L143] var_1_4 = __VERIFIER_nondet_char() [L144] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L144] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L145] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L145] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L146] var_1_5 = __VERIFIER_nondet_char() [L147] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L147] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L148] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L148] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L149] var_1_7 = __VERIFIER_nondet_long() [L150] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L150] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L151] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L151] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L152] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L152] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L153] var_1_8 = __VERIFIER_nondet_long() [L154] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L154] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L155] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L155] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L156] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L156] 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L157] var_1_10 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L158] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L159] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L159] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L160] var_1_11 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L161] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L162] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L162] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L163] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L163] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L164] var_1_16 = __VERIFIER_nondet_long() [L165] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L165] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L166] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L166] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L167] var_1_17 = __VERIFIER_nondet_ushort() [L168] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L168] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L169] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L169] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, 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_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L170] var_1_21 = __VERIFIER_nondet_double() [L171] 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L171] 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L172] var_1_29 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L173] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L174] CALL assume_abort_if_not(var_1_29 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L174] RET assume_abort_if_not(var_1_29 <= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L175] var_1_30 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L176] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L177] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L177] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L178] var_1_31 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L179] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L180] CALL assume_abort_if_not(var_1_31 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L180] RET assume_abort_if_not(var_1_31 <= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L181] var_1_32 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L182] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L183] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L183] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=16, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L184] var_1_34 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L185] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L186] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L186] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=-10, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L187] var_1_36 = __VERIFIER_nondet_long() [L188] CALL assume_abort_if_not(var_1_36 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L188] RET assume_abort_if_not(var_1_36 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L189] CALL assume_abort_if_not(var_1_36 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L189] RET assume_abort_if_not(var_1_36 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L190] CALL assume_abort_if_not(var_1_36 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L190] RET assume_abort_if_not(var_1_36 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L191] var_1_39 = __VERIFIER_nondet_double() [L192] CALL assume_abort_if_not((var_1_39 >= 0.0F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L192] RET assume_abort_if_not((var_1_39 >= 0.0F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_40=19/5, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L193] var_1_40 = __VERIFIER_nondet_double() [L194] CALL assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L194] RET assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_42=7/4, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L195] var_1_42 = __VERIFIER_nondet_float() [L196] CALL assume_abort_if_not((var_1_42 >= -922337.2036854765600e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854765600e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L196] RET assume_abort_if_not((var_1_42 >= -922337.2036854765600e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854765600e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=25, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L197] var_1_45 = __VERIFIER_nondet_char() [L198] CALL assume_abort_if_not(var_1_45 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L198] RET assume_abort_if_not(var_1_45 >= -127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L199] CALL assume_abort_if_not(var_1_45 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L199] RET assume_abort_if_not(var_1_45 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L213] RET updateVariables() [L214] CALL step() [L63] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L63] COND FALSE !(last_1_var_1_15 <= (var_1_8 & var_1_4)) [L68] var_1_9 = var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L70] EXPR (var_1_4 + var_1_9) & var_1_7 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L70] signed long int stepLocal_3 = (var_1_4 + var_1_9) & var_1_7; [L71] COND TRUE stepLocal_3 <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16)))) [L72] var_1_15 = (var_1_11 + 64) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L76] signed long int stepLocal_1 = -4; [L77] 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L78] 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L83] var_1_18 = var_1_17 [L84] var_1_19 = 0 [L85] 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L86] 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=127, var_1_11=32, var_1_12=10, var_1_13=16, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L89] COND TRUE var_1_3 <= var_1_1 [L90] var_1_12 = var_1_4 VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=16, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L94] 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=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=16, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L95] COND TRUE (~ var_1_3) < stepLocal_2 [L96] 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=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L98] var_1_22 = var_1_13 VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L99] COND FALSE !(var_1_19 && var_1_19) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L104] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L115] COND TRUE var_1_6 != ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) [L116] var_1_33 = (5 + var_1_34) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=8, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L118] COND TRUE (~ var_1_34) > (var_1_1 / var_1_36) [L119] var_1_35 = (((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) < 0 ) ? -((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) : ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L121] var_1_37 = ((((((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) < (var_1_15)) ? (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) : (var_1_15))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L122] COND FALSE !(var_1_1 == var_1_36) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L127] COND FALSE !(var_1_40 >= var_1_39) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L131] COND TRUE ! var_1_19 VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L132] COND TRUE ((var_1_34 + -128) % var_1_36) >= var_1_13 [L133] var_1_43 = var_1_45 VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=32767, stepLocal_3=0, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L214] RET step() [L215] CALL, EXPR property() [L205] 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=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L205] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L205] 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=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L205] 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=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L205] EXPR (var_1_4 + var_1_9) & var_1_7 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L205] 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=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L205-L206] 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)) ; [L215] RET, EXPR property() [L215] 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=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=32, var_1_12=0, var_1_13=-5, var_1_15=96, var_1_16=1, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=-5, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=5, var_1_34=0, var_1_35=0, var_1_36=4, var_1_37=0, var_1_38=127/8, var_1_3=-10, var_1_43=-127, var_1_45=-127, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 375.7s, OverallIterations: 25, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 234.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 mSolverCounterUnknown, 4250 SdHoareTripleChecker+Valid, 166.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4220 mSDsluCounter, 17924 SdHoareTripleChecker+Invalid, 165.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13511 mSDsCounter, 470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7956 IncrementalHoareTripleChecker+Invalid, 8454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 470 mSolverCounterUnsat, 4413 mSDtfsCounter, 7956 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7705 GetRequests, 7380 SyntacticMatches, 2 SemanticMatches, 323 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1925 ImplicationChecksByTransitivity, 88.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2821occurred in iteration=24, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 6290 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 128.4s InterpolantComputationTime, 6582 NumberOfCodeBlocks, 6582 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7569 ConstructedInterpolants, 8 QuantifiedInterpolants, 49710 SizeOfPredicates, 204 NumberOfNonLiveVariables, 13674 ConjunctsInSsa, 273 ConjunctsInUnsatCore, 30 InterpolantComputations, 21 PerfectInterpolantSequences, 91770/93600 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 06:58:09,831 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 06:58:09,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 65530496559a238bbc496f9cc580c97366a750a0307dcf2d579ed00a58477720 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:58:11,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:58:11,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:58:11,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:58:11,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:58:11,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:58:11,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:58:11,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:58:11,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:58:11,764 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:58:11,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:58:11,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:58:11,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:58:11,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:58:11,768 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:58:11,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:58:11,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:58:11,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:58:11,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:58:11,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:58:11,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:58:11,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:58:11,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:58:11,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:58:11,773 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:58:11,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:58:11,774 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:58:11,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:58:11,775 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:58:11,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:58:11,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:58:11,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:58:11,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:58:11,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:58:11,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:58:11,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:58:11,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:58:11,778 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:58:11,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:58:11,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:58:11,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:58:11,779 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:58:11,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:58:11,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:58:11,780 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:58:11,780 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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65530496559a238bbc496f9cc580c97366a750a0307dcf2d579ed00a58477720 [2023-11-29 06:58:12,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:58:12,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:58:12,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:58:12,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:58:12,093 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:58:12,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i [2023-11-29 06:58:14,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:58:15,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:58:15,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i [2023-11-29 06:58:15,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data/40d1e8f30/79f98a6663ed474d8fc234e55e51b9ad/FLAGb50ac6379 [2023-11-29 06:58:15,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/data/40d1e8f30/79f98a6663ed474d8fc234e55e51b9ad [2023-11-29 06:58:15,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:58:15,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:58:15,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:58:15,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:58:15,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:58:15,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e250094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15, skipping insertion in model container [2023-11-29 06:58:15,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:58:15,338 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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i[919,932] [2023-11-29 06:58:15,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:58:15,439 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:58:15,449 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_7cf0196f-2d19-4de7-888b-ac9ea43970d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i[919,932] [2023-11-29 06:58:15,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:58:15,514 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:58:15,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15 WrapperNode [2023-11-29 06:58:15,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:58:15,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:58:15,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:58:15,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:58:15,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,570 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-11-29 06:58:15,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:58:15,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:58:15,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:58:15,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:58:15,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,589 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,605 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 06:58:15,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:58:15,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:58:15,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:58:15,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:58:15,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (1/1) ... [2023-11-29 06:58:15,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:58:15,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:58:15,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:58:15,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:58:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:58:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:58:15,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:58:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:58:15,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:58:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:58:15,809 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:58:15,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:58:16,761 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:58:16,806 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:58:16,806 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:58:16,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:58:16 BoogieIcfgContainer [2023-11-29 06:58:16,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:58:16,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:58:16,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:58:16,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:58:16,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:58:15" (1/3) ... [2023-11-29 06:58:16,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5a97b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:58:16, skipping insertion in model container [2023-11-29 06:58:16,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:58:15" (2/3) ... [2023-11-29 06:58:16,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5a97b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:58:16, skipping insertion in model container [2023-11-29 06:58:16,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:58:16" (3/3) ... [2023-11-29 06:58:16,814 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i [2023-11-29 06:58:16,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:58:16,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:58:16,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:58:16,879 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;@1bb8dd33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:58:16,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:58:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:58:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-29 06:58:16,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:16,902 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:16,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:16,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:16,908 INFO L85 PathProgramCache]: Analyzing trace with hash -840299724, now seen corresponding path program 1 times [2023-11-29 06:58:16,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:58:16,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759686571] [2023-11-29 06:58:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:16,921 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 06:58:16,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:58:16,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:16,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:17,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:58:17,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:58:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 2610 trivial. 0 not checked. [2023-11-29 06:58:17,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:58:17,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:58:17,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759686571] [2023-11-29 06:58:17,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759686571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:58:17,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:58:17,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:58:17,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893350549] [2023-11-29 06:58:17,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:58:17,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:58:17,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:58:17,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:58:17,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:58:17,409 INFO L87 Difference]: Start difference. First operand has 99 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 06:58:17,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:17,495 INFO L93 Difference]: Finished difference Result 195 states and 360 transitions. [2023-11-29 06:58:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:58:17,505 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 244 [2023-11-29 06:58:17,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:17,512 INFO L225 Difference]: With dead ends: 195 [2023-11-29 06:58:17,512 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 06:58:17,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 243 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 06:58:17,519 INFO L413 NwaCegarLoop]: 153 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, 153 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 06:58:17,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:58:17,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 06:58:17,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 06:58:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:58:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 156 transitions. [2023-11-29 06:58:17,569 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 156 transitions. Word has length 244 [2023-11-29 06:58:17,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:17,569 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 156 transitions. [2023-11-29 06:58:17,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-29 06:58:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2023-11-29 06:58:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-29 06:58:17,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:17,576 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:17,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:17,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:17,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:17,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:17,781 INFO L85 PathProgramCache]: Analyzing trace with hash 397359932, now seen corresponding path program 1 times [2023-11-29 06:58:17,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:58:17,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582257789] [2023-11-29 06:58:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:17,783 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 06:58:17,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:58:17,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:17,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:18,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:58:18,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:58:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:58:18,194 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:58:18,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:58:18,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582257789] [2023-11-29 06:58:18,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582257789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:58:18,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:58:18,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:58:18,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983232819] [2023-11-29 06:58:18,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:58:18,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:58:18,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:58:18,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:58:18,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:58:18,199 INFO L87 Difference]: Start difference. First operand 97 states and 156 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:18,347 INFO L93 Difference]: Finished difference Result 283 states and 454 transitions. [2023-11-29 06:58:18,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:58:18,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 244 [2023-11-29 06:58:18,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:18,354 INFO L225 Difference]: With dead ends: 283 [2023-11-29 06:58:18,354 INFO L226 Difference]: Without dead ends: 187 [2023-11-29 06:58:18,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 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 06:58:18,358 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 138 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:18,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 413 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:58:18,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-29 06:58:18,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 109. [2023-11-29 06:58:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:58:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 173 transitions. [2023-11-29 06:58:18,384 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 173 transitions. Word has length 244 [2023-11-29 06:58:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:18,387 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 173 transitions. [2023-11-29 06:58:18,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2023-11-29 06:58:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-29 06:58:18,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:18,394 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:18,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:18,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:18,600 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:18,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:18,600 INFO L85 PathProgramCache]: Analyzing trace with hash -623708422, now seen corresponding path program 1 times [2023-11-29 06:58:18,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:58:18,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440845795] [2023-11-29 06:58:18,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:18,601 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 06:58:18,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:58:18,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:18,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:18,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:58:18,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:58:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-29 06:58:18,998 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:58:18,998 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:58:18,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440845795] [2023-11-29 06:58:18,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440845795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:58:18,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:58:19,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:58:19,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633065100] [2023-11-29 06:58:19,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:58:19,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:58:19,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:58:19,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:58:19,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:58:19,003 INFO L87 Difference]: Start difference. First operand 109 states and 173 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:19,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:58:19,105 INFO L93 Difference]: Finished difference Result 202 states and 322 transitions. [2023-11-29 06:58:19,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:58:19,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 244 [2023-11-29 06:58:19,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:58:19,119 INFO L225 Difference]: With dead ends: 202 [2023-11-29 06:58:19,119 INFO L226 Difference]: Without dead ends: 94 [2023-11-29 06:58:19,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 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 06:58:19,122 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 137 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:58:19,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 139 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:58:19,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-29 06:58:19,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-29 06:58:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 06:58:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2023-11-29 06:58:19,142 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 244 [2023-11-29 06:58:19,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:58:19,143 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2023-11-29 06:58:19,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-29 06:58:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2023-11-29 06:58:19,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-11-29 06:58:19,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:58:19,148 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:19,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:19,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:19,349 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:58:19,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:58:19,350 INFO L85 PathProgramCache]: Analyzing trace with hash 2129102734, now seen corresponding path program 1 times [2023-11-29 06:58:19,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:58:19,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618093976] [2023-11-29 06:58:19,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:58:19,351 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 06:58:19,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:58:19,352 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 06:58:19,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf0196f-2d19-4de7-888b-ac9ea43970d6/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 (5)] Waiting until timeout for monitored process [2023-11-29 06:58:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:58:19,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 06:58:19,734 INFO L285 TraceCheckSpWp]: Computing forward predicates...