./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 f6ae2d08b6b9cdbd7b18582cf72b2bfec08200de0cfc5a02e4f3dfeafad06eff --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:21:43,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:21:43,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 20:21:43,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:21:43,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:21:43,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:21:43,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:21:43,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:21:43,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:21:43,373 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:21:43,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:21:43,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:21:43,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:21:43,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:21:43,375 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:21:43,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:21:43,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:21:43,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:21:43,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:21:43,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:21:43,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:21:43,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:21:43,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:21:43,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:21:43,380 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:21:43,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:21:43,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:21:43,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:21:43,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:21:43,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:21:43,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:21:43,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:21:43,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:21:43,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:21:43,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:21:43,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:21:43,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:21:43,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:21:43,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:21:43,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:21:43,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:21:43,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:21:43,386 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_23779a43-d182-44c1-b3ff-f2a4749e1d46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6ae2d08b6b9cdbd7b18582cf72b2bfec08200de0cfc5a02e4f3dfeafad06eff [2023-11-28 20:21:43,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:21:43,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:21:43,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:21:43,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:21:43,652 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:21:43,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i [2023-11-28 20:21:46,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:21:46,522 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:21:46,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i [2023-11-28 20:21:46,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data/1151719ee/dc57a78c8fae48cb85cb32caf25a51ae/FLAG511138f12 [2023-11-28 20:21:46,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data/1151719ee/dc57a78c8fae48cb85cb32caf25a51ae [2023-11-28 20:21:46,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:21:46,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:21:46,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:21:46,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:21:46,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:21:46,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74767f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46, skipping insertion in model container [2023-11-28 20:21:46,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:21:46,741 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_23779a43-d182-44c1-b3ff-f2a4749e1d46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i[919,932] [2023-11-28 20:21:46,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:21:46,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:21:46,832 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_23779a43-d182-44c1-b3ff-f2a4749e1d46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i[919,932] [2023-11-28 20:21:46,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:21:46,881 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:21:46,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46 WrapperNode [2023-11-28 20:21:46,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:21:46,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:21:46,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:21:46,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:21:46,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,949 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2023-11-28 20:21:46,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:21:46,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:21:46,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:21:46,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:21:46,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,986 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]. [2023-11-28 20:21:46,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:46,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:47,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:47,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:47,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:47,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:47,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:21:47,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:21:47,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:21:47,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:21:47,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (1/1) ... [2023-11-28 20:21:47,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:21:47,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:21:47,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:21:47,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:21:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:21:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:21:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:21:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:21:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:21:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:21:47,181 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:21:47,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:21:47,603 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:21:47,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:21:47,633 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:21:47,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:21:47 BoogieIcfgContainer [2023-11-28 20:21:47,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:21:47,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:21:47,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:21:47,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:21:47,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:21:46" (1/3) ... [2023-11-28 20:21:47,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67984b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:21:47, skipping insertion in model container [2023-11-28 20:21:47,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:46" (2/3) ... [2023-11-28 20:21:47,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67984b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:21:47, skipping insertion in model container [2023-11-28 20:21:47,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:21:47" (3/3) ... [2023-11-28 20:21:47,643 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i [2023-11-28 20:21:47,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:21:47,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:21:47,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:21:47,734 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;@5b863169, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:21:47,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:21:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 68 states have internal predecessors, (102), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-28 20:21:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-28 20:21:47,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:47,771 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:47,771 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:47,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:47,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1463687726, now seen corresponding path program 1 times [2023-11-28 20:21:47,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:47,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656290262] [2023-11-28 20:21:47,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:47,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656290262] [2023-11-28 20:21:48,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-28 20:21:48,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746342398] [2023-11-28 20:21:48,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:48,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:21:48,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:21:48,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:21:48,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 20:21:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:48,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 20:21:48,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:21:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2023-11-28 20:21:48,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:21:48,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746342398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:48,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:48,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:21:48,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677685300] [2023-11-28 20:21:48,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:48,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:21:48,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:48,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:21:48,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:21:48,340 INFO L87 Difference]: Start difference. First operand has 102 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 68 states have internal predecessors, (102), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-28 20:21:48,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:48,387 INFO L93 Difference]: Finished difference Result 201 states and 362 transitions. [2023-11-28 20:21:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:21:48,390 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 207 [2023-11-28 20:21:48,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:48,399 INFO L225 Difference]: With dead ends: 201 [2023-11-28 20:21:48,399 INFO L226 Difference]: Without dead ends: 100 [2023-11-28 20:21:48,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:21:48,408 INFO L413 NwaCegarLoop]: 158 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, 158 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 [2023-11-28 20:21:48,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:21:48,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-28 20:21:48,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-28 20:21:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 66 states have internal predecessors, (97), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-28 20:21:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 161 transitions. [2023-11-28 20:21:48,462 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 161 transitions. Word has length 207 [2023-11-28 20:21:48,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:48,463 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 161 transitions. [2023-11-28 20:21:48,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-28 20:21:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2023-11-28 20:21:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-28 20:21:48,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:48,470 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:48,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:21:48,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-28 20:21:48,671 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:48,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:48,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2043131278, now seen corresponding path program 1 times [2023-11-28 20:21:48,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:48,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095231785] [2023-11-28 20:21:48,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:48,744 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:21:48,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580606201] [2023-11-28 20:21:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:48,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:21:48,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:21:48,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:21:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 20:21:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:48,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:21:48,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:22:02,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:02,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:02,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095231785] [2023-11-28 20:22:02,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:02,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580606201] [2023-11-28 20:22:02,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580606201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:02,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:02,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:22:02,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330206398] [2023-11-28 20:22:02,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:02,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:22:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:02,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:22:02,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:22:02,252 INFO L87 Difference]: Start difference. First operand 100 states and 161 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:07,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:07,995 INFO L93 Difference]: Finished difference Result 263 states and 417 transitions. [2023-11-28 20:22:07,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 20:22:07,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 207 [2023-11-28 20:22:07,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:08,000 INFO L225 Difference]: With dead ends: 263 [2023-11-28 20:22:08,000 INFO L226 Difference]: Without dead ends: 164 [2023-11-28 20:22:08,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:22:08,003 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 165 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:08,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 612 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-28 20:22:08,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-28 20:22:08,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 147. [2023-11-28 20:22:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 109 states have internal predecessors, (163), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-28 20:22:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 235 transitions. [2023-11-28 20:22:08,029 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 235 transitions. Word has length 207 [2023-11-28 20:22:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:08,031 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 235 transitions. [2023-11-28 20:22:08,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 235 transitions. [2023-11-28 20:22:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-28 20:22:08,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:08,037 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:08,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 20:22:08,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:08,238 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:08,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:08,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1784965840, now seen corresponding path program 1 times [2023-11-28 20:22:08,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:08,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921353847] [2023-11-28 20:22:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:08,281 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:22:08,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1773473615] [2023-11-28 20:22:08,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:08,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:08,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:08,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:08,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 20:22:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:08,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:22:08,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:22:08,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:08,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:08,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921353847] [2023-11-28 20:22:08,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:08,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773473615] [2023-11-28 20:22:08,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773473615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:08,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:08,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:22:08,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344807403] [2023-11-28 20:22:08,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:08,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:22:08,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:08,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:22:08,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:22:08,442 INFO L87 Difference]: Start difference. First operand 147 states and 235 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:08,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:08,476 INFO L93 Difference]: Finished difference Result 279 states and 444 transitions. [2023-11-28 20:22:08,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:22:08,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 207 [2023-11-28 20:22:08,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:08,481 INFO L225 Difference]: With dead ends: 279 [2023-11-28 20:22:08,481 INFO L226 Difference]: Without dead ends: 133 [2023-11-28 20:22:08,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:22:08,483 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 146 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 143 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 [2023-11-28 20:22:08,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 143 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:22:08,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-28 20:22:08,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-11-28 20:22:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-28 20:22:08,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 202 transitions. [2023-11-28 20:22:08,507 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 202 transitions. Word has length 207 [2023-11-28 20:22:08,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:08,509 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 202 transitions. [2023-11-28 20:22:08,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 202 transitions. [2023-11-28 20:22:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-28 20:22:08,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:08,513 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:08,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 20:22:08,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:08,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:08,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:08,718 INFO L85 PathProgramCache]: Analyzing trace with hash -938588801, now seen corresponding path program 1 times [2023-11-28 20:22:08,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:08,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314341057] [2023-11-28 20:22:08,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:08,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:08,761 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:22:08,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361412082] [2023-11-28 20:22:08,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:08,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:08,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:08,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 20:22:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:08,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:22:08,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:22:25,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:25,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:25,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314341057] [2023-11-28 20:22:25,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:25,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361412082] [2023-11-28 20:22:25,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361412082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:25,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:25,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:22:25,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093418660] [2023-11-28 20:22:25,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:25,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:22:25,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:25,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:22:25,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:22:25,290 INFO L87 Difference]: Start difference. First operand 133 states and 202 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:32,426 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 20:22:36,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:36,277 INFO L93 Difference]: Finished difference Result 268 states and 405 transitions. [2023-11-28 20:22:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:22:36,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 208 [2023-11-28 20:22:36,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:36,280 INFO L225 Difference]: With dead ends: 268 [2023-11-28 20:22:36,280 INFO L226 Difference]: Without dead ends: 136 [2023-11-28 20:22:36,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:22:36,282 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 93 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:36,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 627 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-28 20:22:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-28 20:22:36,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2023-11-28 20:22:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 94 states have (on average 1.372340425531915) internal successors, (129), 95 states have internal predecessors, (129), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-28 20:22:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 201 transitions. [2023-11-28 20:22:36,304 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 201 transitions. Word has length 208 [2023-11-28 20:22:36,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:36,305 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 201 transitions. [2023-11-28 20:22:36,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 201 transitions. [2023-11-28 20:22:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-28 20:22:36,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:36,309 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:36,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 20:22:36,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:36,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:36,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:36,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1723943983, now seen corresponding path program 1 times [2023-11-28 20:22:36,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:36,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511347770] [2023-11-28 20:22:36,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:36,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:36,557 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:22:36,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783844205] [2023-11-28 20:22:36,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:36,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:36,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:36,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:36,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 20:22:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:36,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:22:36,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 267 proven. 87 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2023-11-28 20:22:36,881 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:22:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 6 proven. 87 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-28 20:22:37,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:37,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511347770] [2023-11-28 20:22:37,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:37,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783844205] [2023-11-28 20:22:37,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783844205] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:22:37,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:22:37,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-28 20:22:37,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047922675] [2023-11-28 20:22:37,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:22:37,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:22:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:37,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:22:37,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:22:37,117 INFO L87 Difference]: Start difference. First operand 133 states and 201 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-11-28 20:22:37,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:37,610 INFO L93 Difference]: Finished difference Result 275 states and 409 transitions. [2023-11-28 20:22:37,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 20:22:37,610 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 209 [2023-11-28 20:22:37,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:37,612 INFO L225 Difference]: With dead ends: 275 [2023-11-28 20:22:37,612 INFO L226 Difference]: Without dead ends: 143 [2023-11-28 20:22:37,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-28 20:22:37,613 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 83 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:37,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 252 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:22:37,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-28 20:22:37,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2023-11-28 20:22:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 100 states have (on average 1.34) internal successors, (134), 101 states have internal predecessors, (134), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-28 20:22:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 206 transitions. [2023-11-28 20:22:37,633 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 206 transitions. Word has length 209 [2023-11-28 20:22:37,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:37,634 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 206 transitions. [2023-11-28 20:22:37,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2023-11-28 20:22:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 206 transitions. [2023-11-28 20:22:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-28 20:22:37,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:37,636 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:37,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-28 20:22:37,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:37,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:37,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1301242157, now seen corresponding path program 1 times [2023-11-28 20:22:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:37,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307514866] [2023-11-28 20:22:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:37,867 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:22:37,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101763492] [2023-11-28 20:22:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:37,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:37,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:37,868 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:37,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-28 20:22:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:37,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:22:37,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:22:38,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:38,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:38,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307514866] [2023-11-28 20:22:38,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:38,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101763492] [2023-11-28 20:22:38,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101763492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:38,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:38,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:22:38,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097916923] [2023-11-28 20:22:38,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:38,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:22:38,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:38,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:22:38,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:22:38,368 INFO L87 Difference]: Start difference. First operand 141 states and 206 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:38,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:38,606 INFO L93 Difference]: Finished difference Result 295 states and 424 transitions. [2023-11-28 20:22:38,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:22:38,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 209 [2023-11-28 20:22:38,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:38,609 INFO L225 Difference]: With dead ends: 295 [2023-11-28 20:22:38,609 INFO L226 Difference]: Without dead ends: 155 [2023-11-28 20:22:38,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:22:38,611 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 92 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:38,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 545 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:22:38,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-28 20:22:38,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2023-11-28 20:22:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 107 states have (on average 1.308411214953271) internal successors, (140), 109 states have internal predecessors, (140), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:22:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 216 transitions. [2023-11-28 20:22:38,631 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 216 transitions. Word has length 209 [2023-11-28 20:22:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:38,632 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 216 transitions. [2023-11-28 20:22:38,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 216 transitions. [2023-11-28 20:22:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-28 20:22:38,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:38,634 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:38,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-28 20:22:38,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:38,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:38,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:38,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1970498148, now seen corresponding path program 1 times [2023-11-28 20:22:38,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:38,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125583450] [2023-11-28 20:22:38,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:38,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:38,862 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:22:38,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160221210] [2023-11-28 20:22:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:38,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:38,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:38,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:38,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-28 20:22:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:38,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-28 20:22:38,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:22:39,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:39,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:39,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125583450] [2023-11-28 20:22:39,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:39,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160221210] [2023-11-28 20:22:39,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160221210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:39,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:39,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-28 20:22:39,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121430639] [2023-11-28 20:22:39,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:39,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-28 20:22:39,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:39,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-28 20:22:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-28 20:22:39,913 INFO L87 Difference]: Start difference. First operand 152 states and 216 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:40,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:40,710 INFO L93 Difference]: Finished difference Result 446 states and 632 transitions. [2023-11-28 20:22:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-28 20:22:40,711 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2023-11-28 20:22:40,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:40,713 INFO L225 Difference]: With dead ends: 446 [2023-11-28 20:22:40,713 INFO L226 Difference]: Without dead ends: 302 [2023-11-28 20:22:40,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:22:40,714 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 156 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:40,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 715 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:22:40,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-11-28 20:22:40,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 202. [2023-11-28 20:22:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 159 states have internal predecessors, (210), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:22:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 286 transitions. [2023-11-28 20:22:40,739 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 286 transitions. Word has length 210 [2023-11-28 20:22:40,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:40,740 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 286 transitions. [2023-11-28 20:22:40,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 286 transitions. [2023-11-28 20:22:40,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-28 20:22:40,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:40,742 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:40,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-28 20:22:40,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-28 20:22:40,945 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:40,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:40,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1269433570, now seen corresponding path program 1 times [2023-11-28 20:22:40,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:40,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213558786] [2023-11-28 20:22:40,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:40,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:40,965 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:22:40,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903879022] [2023-11-28 20:22:40,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:40,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:40,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:40,967 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:40,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-28 20:22:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:41,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 20:22:41,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:22:42,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:42,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213558786] [2023-11-28 20:22:42,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903879022] [2023-11-28 20:22:42,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903879022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:42,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:42,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-28 20:22:42,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305356923] [2023-11-28 20:22:42,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:42,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-28 20:22:42,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:42,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-28 20:22:42,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:22:42,383 INFO L87 Difference]: Start difference. First operand 202 states and 286 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:43,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:43,188 INFO L93 Difference]: Finished difference Result 502 states and 708 transitions. [2023-11-28 20:22:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-28 20:22:43,189 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2023-11-28 20:22:43,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:43,191 INFO L225 Difference]: With dead ends: 502 [2023-11-28 20:22:43,191 INFO L226 Difference]: Without dead ends: 308 [2023-11-28 20:22:43,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-28 20:22:43,192 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 124 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:43,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 652 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:22:43,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-11-28 20:22:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 202. [2023-11-28 20:22:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 159 states have internal predecessors, (210), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:22:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 286 transitions. [2023-11-28 20:22:43,208 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 286 transitions. Word has length 210 [2023-11-28 20:22:43,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:43,208 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 286 transitions. [2023-11-28 20:22:43,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:22:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 286 transitions. [2023-11-28 20:22:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-28 20:22:43,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:43,210 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:43,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-28 20:22:43,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-28 20:22:43,410 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:43,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:43,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1383692134, now seen corresponding path program 1 times [2023-11-28 20:22:43,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:43,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778142325] [2023-11-28 20:22:43,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:43,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:43,438 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:22:43,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776911368] [2023-11-28 20:22:43,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:43,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:43,440 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:43,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-28 20:22:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-28 20:22:43,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 954 proven. 144 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2023-11-28 20:22:44,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:22:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:22:58,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:58,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778142325] [2023-11-28 20:22:58,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:22:58,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776911368] [2023-11-28 20:22:58,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776911368] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:22:58,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:22:58,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 24 [2023-11-28 20:22:58,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870880418] [2023-11-28 20:22:58,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:58,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:22:58,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:58,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:22:58,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2023-11-28 20:22:58,253 INFO L87 Difference]: Start difference. First operand 202 states and 286 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:05,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:05,111 INFO L93 Difference]: Finished difference Result 496 states and 695 transitions. [2023-11-28 20:23:05,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 20:23:05,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2023-11-28 20:23:05,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:05,113 INFO L225 Difference]: With dead ends: 496 [2023-11-28 20:23:05,114 INFO L226 Difference]: Without dead ends: 302 [2023-11-28 20:23:05,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2023-11-28 20:23:05,115 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 164 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:05,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 845 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-28 20:23:05,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-11-28 20:23:05,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 206. [2023-11-28 20:23:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 163 states have internal predecessors, (216), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:23:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 292 transitions. [2023-11-28 20:23:05,131 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 292 transitions. Word has length 210 [2023-11-28 20:23:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:05,131 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 292 transitions. [2023-11-28 20:23:05,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 292 transitions. [2023-11-28 20:23:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-28 20:23:05,133 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:05,133 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:05,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-28 20:23:05,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-28 20:23:05,334 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:05,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash 682627556, now seen corresponding path program 1 times [2023-11-28 20:23:05,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:05,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367639701] [2023-11-28 20:23:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:05,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:05,357 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:23:05,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452586007] [2023-11-28 20:23:05,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:05,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:05,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:23:05,359 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:23:05,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-28 20:23:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:05,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-28 20:23:05,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 954 proven. 144 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2023-11-28 20:23:07,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:23:20,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:20,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367639701] [2023-11-28 20:23:20,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:23:20,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452586007] [2023-11-28 20:23:20,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452586007] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:23:20,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:23:20,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 21 [2023-11-28 20:23:20,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773812996] [2023-11-28 20:23:20,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:20,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-28 20:23:20,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:20,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-28 20:23:20,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-11-28 20:23:20,650 INFO L87 Difference]: Start difference. First operand 206 states and 292 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:27,248 INFO L93 Difference]: Finished difference Result 488 states and 687 transitions. [2023-11-28 20:23:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-28 20:23:27,249 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 210 [2023-11-28 20:23:27,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:27,250 INFO L225 Difference]: With dead ends: 488 [2023-11-28 20:23:27,250 INFO L226 Difference]: Without dead ends: 290 [2023-11-28 20:23:27,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2023-11-28 20:23:27,252 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 114 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:27,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 772 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-28 20:23:27,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-11-28 20:23:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 202. [2023-11-28 20:23:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 159 states have internal predecessors, (210), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:23:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 286 transitions. [2023-11-28 20:23:27,269 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 286 transitions. Word has length 210 [2023-11-28 20:23:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:27,269 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 286 transitions. [2023-11-28 20:23:27,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 286 transitions. [2023-11-28 20:23:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:23:27,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:27,271 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:27,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-28 20:23:27,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:27,473 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:27,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1761473047, now seen corresponding path program 1 times [2023-11-28 20:23:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:27,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564649297] [2023-11-28 20:23:27,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:27,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:27,491 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:23:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1844415088] [2023-11-28 20:23:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:27,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:27,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:23:27,493 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:23:27,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-28 20:23:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:27,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:23:27,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:23:27,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:27,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:27,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564649297] [2023-11-28 20:23:27,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:23:27,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844415088] [2023-11-28 20:23:27,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844415088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:27,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:27,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:23:27,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798200297] [2023-11-28 20:23:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:27,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:23:27,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:23:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:23:27,702 INFO L87 Difference]: Start difference. First operand 202 states and 286 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:27,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:27,852 INFO L93 Difference]: Finished difference Result 476 states and 672 transitions. [2023-11-28 20:23:27,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:23:27,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:23:27,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:27,855 INFO L225 Difference]: With dead ends: 476 [2023-11-28 20:23:27,855 INFO L226 Difference]: Without dead ends: 282 [2023-11-28 20:23:27,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:23:27,857 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 41 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:27,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 232 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:23:27,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-28 20:23:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 255. [2023-11-28 20:23:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 210 states have (on average 1.3476190476190477) internal successors, (283), 212 states have internal predecessors, (283), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:23:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 359 transitions. [2023-11-28 20:23:27,884 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 359 transitions. Word has length 211 [2023-11-28 20:23:27,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:27,885 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 359 transitions. [2023-11-28 20:23:27,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 359 transitions. [2023-11-28 20:23:27,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:23:27,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:27,887 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:27,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-28 20:23:28,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:28,088 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:28,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:28,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1802836827, now seen corresponding path program 1 times [2023-11-28 20:23:28,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:28,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473506661] [2023-11-28 20:23:28,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:28,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:28,110 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:23:28,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926481898] [2023-11-28 20:23:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:28,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:28,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:23:28,112 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:23:28,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-28 20:23:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:28,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-28 20:23:28,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:23:28,720 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:28,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:28,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473506661] [2023-11-28 20:23:28,720 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:23:28,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926481898] [2023-11-28 20:23:28,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926481898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:28,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:28,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-28 20:23:28,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717422841] [2023-11-28 20:23:28,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:28,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-28 20:23:28,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:28,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-28 20:23:28,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-28 20:23:28,721 INFO L87 Difference]: Start difference. First operand 255 states and 359 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:29,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:29,425 INFO L93 Difference]: Finished difference Result 660 states and 915 transitions. [2023-11-28 20:23:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-28 20:23:29,426 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:23:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:29,429 INFO L225 Difference]: With dead ends: 660 [2023-11-28 20:23:29,429 INFO L226 Difference]: Without dead ends: 406 [2023-11-28 20:23:29,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:23:29,430 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 160 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:29,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1211 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:23:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-11-28 20:23:29,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 290. [2023-11-28 20:23:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 247 states have internal predecessors, (335), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:23:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 411 transitions. [2023-11-28 20:23:29,450 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 411 transitions. Word has length 211 [2023-11-28 20:23:29,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:29,450 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 411 transitions. [2023-11-28 20:23:29,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 411 transitions. [2023-11-28 20:23:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:23:29,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:29,452 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:29,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-28 20:23:29,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:29,652 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:29,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:29,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1101772249, now seen corresponding path program 1 times [2023-11-28 20:23:29,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:29,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709982251] [2023-11-28 20:23:29,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:29,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:29,679 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:23:29,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256623557] [2023-11-28 20:23:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:29,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:29,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:23:29,681 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:23:29,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-28 20:23:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:29,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 20:23:29,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:23:30,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:30,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:30,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709982251] [2023-11-28 20:23:30,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:23:30,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256623557] [2023-11-28 20:23:30,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256623557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:30,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:30,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-28 20:23:30,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827980505] [2023-11-28 20:23:30,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:30,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:23:30,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:30,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:23:30,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:23:30,999 INFO L87 Difference]: Start difference. First operand 290 states and 411 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:31,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:31,676 INFO L93 Difference]: Finished difference Result 695 states and 965 transitions. [2023-11-28 20:23:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 20:23:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:23:31,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:31,678 INFO L225 Difference]: With dead ends: 695 [2023-11-28 20:23:31,679 INFO L226 Difference]: Without dead ends: 406 [2023-11-28 20:23:31,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2023-11-28 20:23:31,680 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 201 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:31,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 907 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:23:31,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-11-28 20:23:31,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 286. [2023-11-28 20:23:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 241 states have (on average 1.3651452282157677) internal successors, (329), 243 states have internal predecessors, (329), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:23:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 405 transitions. [2023-11-28 20:23:31,706 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 405 transitions. Word has length 211 [2023-11-28 20:23:31,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:31,707 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 405 transitions. [2023-11-28 20:23:31,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 405 transitions. [2023-11-28 20:23:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:23:31,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:31,710 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:31,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-28 20:23:31,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:31,910 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:31,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:31,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1216030813, now seen corresponding path program 1 times [2023-11-28 20:23:31,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:31,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029630707] [2023-11-28 20:23:31,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:31,930 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:23:31,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847462298] [2023-11-28 20:23:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:31,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:23:31,931 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:23:31,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-28 20:23:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:32,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-28 20:23:32,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 954 proven. 144 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2023-11-28 20:23:33,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:23:44,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:44,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029630707] [2023-11-28 20:23:44,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:23:44,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847462298] [2023-11-28 20:23:44,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847462298] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:23:44,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:23:44,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 25 [2023-11-28 20:23:44,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152166014] [2023-11-28 20:23:44,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:44,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-28 20:23:44,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:44,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-28 20:23:44,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2023-11-28 20:23:44,119 INFO L87 Difference]: Start difference. First operand 286 states and 405 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:23:51,950 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] [2023-11-28 20:23:58,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:24:03,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:24:21,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:24:27,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:24:49,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:24:53,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:24:57,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:01,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:05,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:09,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:12,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:17,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:21,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:24,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:25,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:25:25,143 INFO L93 Difference]: Finished difference Result 707 states and 975 transitions. [2023-11-28 20:25:25,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-28 20:25:25,144 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:25:25,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:25:25,147 INFO L225 Difference]: With dead ends: 707 [2023-11-28 20:25:25,147 INFO L226 Difference]: Without dead ends: 422 [2023-11-28 20:25:25,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 39.0s TimeCoverageRelationStatistics Valid=233, Invalid=1099, Unknown=0, NotChecked=0, Total=1332 [2023-11-28 20:25:25,149 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 204 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:25:25,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 1354 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 719 Invalid, 11 Unknown, 0 Unchecked, 66.1s Time] [2023-11-28 20:25:25,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2023-11-28 20:25:25,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 290. [2023-11-28 20:25:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 247 states have internal predecessors, (335), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:25:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 411 transitions. [2023-11-28 20:25:25,199 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 411 transitions. Word has length 211 [2023-11-28 20:25:25,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:25:25,199 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 411 transitions. [2023-11-28 20:25:25,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:25:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 411 transitions. [2023-11-28 20:25:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:25:25,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:25:25,202 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:25,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-28 20:25:25,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-28 20:25:25,402 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:25:25,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:25,403 INFO L85 PathProgramCache]: Analyzing trace with hash 514966235, now seen corresponding path program 1 times [2023-11-28 20:25:25,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:25:25,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109103578] [2023-11-28 20:25:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:25,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:25:25,425 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:25:25,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406105677] [2023-11-28 20:25:25,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:25,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:25:25,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:25:25,427 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:25:25,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-28 20:25:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:25,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-28 20:25:25,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:25:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 960 proven. 207 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2023-11-28 20:25:26,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:25:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:25:44,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:25:44,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109103578] [2023-11-28 20:25:44,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:25:44,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406105677] [2023-11-28 20:25:44,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406105677] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:25:44,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:25:44,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [20] total 28 [2023-11-28 20:25:44,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635443774] [2023-11-28 20:25:44,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:25:44,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-28 20:25:44,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:25:44,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-28 20:25:44,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2023-11-28 20:25:44,598 INFO L87 Difference]: Start difference. First operand 290 states and 411 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:25:54,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:25:58,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:26:11,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:26:22,020 WARN L293 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 20:26:24,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:26:33,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:26:39,237 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 158 DAG size of output: 155 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-28 20:26:50,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:27:00,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:27:02,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:27:06,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:27:10,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-28 20:27:11,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:11,009 INFO L93 Difference]: Finished difference Result 939 states and 1284 transitions. [2023-11-28 20:27:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-28 20:27:11,011 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:27:11,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:11,015 INFO L225 Difference]: With dead ends: 939 [2023-11-28 20:27:11,015 INFO L226 Difference]: Without dead ends: 650 [2023-11-28 20:27:11,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 47.9s TimeCoverageRelationStatistics Valid=258, Invalid=1378, Unknown=4, NotChecked=0, Total=1640 [2023-11-28 20:27:11,017 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 241 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:11,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1364 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 977 Invalid, 5 Unknown, 0 Unchecked, 42.8s Time] [2023-11-28 20:27:11,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-11-28 20:27:11,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 290. [2023-11-28 20:27:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 247 states have internal predecessors, (335), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:27:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 411 transitions. [2023-11-28 20:27:11,052 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 411 transitions. Word has length 211 [2023-11-28 20:27:11,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:11,052 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 411 transitions. [2023-11-28 20:27:11,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:27:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 411 transitions. [2023-11-28 20:27:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:27:11,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:11,055 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:11,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-28 20:27:11,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-28 20:27:11,255 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:11,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:11,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1790530595, now seen corresponding path program 1 times [2023-11-28 20:27:11,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:27:11,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363450153] [2023-11-28 20:27:11,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:11,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:27:11,278 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:27:11,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [383401355] [2023-11-28 20:27:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:11,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:11,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:11,280 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:27:11,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-28 20:27:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:11,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-28 20:27:11,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:27:17,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:27:17,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:27:17,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363450153] [2023-11-28 20:27:17,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:27:17,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383401355] [2023-11-28 20:27:17,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383401355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:27:17,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:27:17,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-28 20:27:17,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547914739] [2023-11-28 20:27:17,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:17,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 20:27:17,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:27:17,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 20:27:17,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:27:17,359 INFO L87 Difference]: Start difference. First operand 290 states and 411 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:27:24,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:24,785 INFO L93 Difference]: Finished difference Result 742 states and 1029 transitions. [2023-11-28 20:27:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-28 20:27:24,786 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:27:24,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:24,789 INFO L225 Difference]: With dead ends: 742 [2023-11-28 20:27:24,789 INFO L226 Difference]: Without dead ends: 453 [2023-11-28 20:27:24,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-28 20:27:24,790 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 154 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:24,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1377 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-28 20:27:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-28 20:27:24,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 290. [2023-11-28 20:27:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 247 states have internal predecessors, (335), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:27:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 411 transitions. [2023-11-28 20:27:24,813 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 411 transitions. Word has length 211 [2023-11-28 20:27:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:24,813 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 411 transitions. [2023-11-28 20:27:24,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:27:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 411 transitions. [2023-11-28 20:27:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:27:24,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:24,815 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:24,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-28 20:27:25,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-28 20:27:25,016 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:25,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:25,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1803372123, now seen corresponding path program 1 times [2023-11-28 20:27:25,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:27:25,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749930116] [2023-11-28 20:27:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:25,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:27:25,037 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:27:25,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [105945802] [2023-11-28 20:27:25,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:25,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:25,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:25,039 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:27:25,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-28 20:27:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:25,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-28 20:27:25,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:27:30,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:27:30,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:27:30,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749930116] [2023-11-28 20:27:30,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:27:30,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105945802] [2023-11-28 20:27:30,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105945802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:27:30,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:27:30,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-28 20:27:30,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382720458] [2023-11-28 20:27:30,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:30,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:27:30,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:27:30,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:27:30,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:27:30,508 INFO L87 Difference]: Start difference. First operand 290 states and 411 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:27:37,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:37,355 INFO L93 Difference]: Finished difference Result 742 states and 1027 transitions. [2023-11-28 20:27:37,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 20:27:37,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:27:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:37,358 INFO L225 Difference]: With dead ends: 742 [2023-11-28 20:27:37,358 INFO L226 Difference]: Without dead ends: 453 [2023-11-28 20:27:37,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2023-11-28 20:27:37,359 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 151 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:37,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1039 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-28 20:27:37,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-28 20:27:37,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 290. [2023-11-28 20:27:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 247 states have internal predecessors, (335), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 20:27:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 411 transitions. [2023-11-28 20:27:37,382 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 411 transitions. Word has length 211 [2023-11-28 20:27:37,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:37,382 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 411 transitions. [2023-11-28 20:27:37,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:27:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 411 transitions. [2023-11-28 20:27:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:27:37,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:37,383 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:37,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-28 20:27:37,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-28 20:27:37,584 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:37,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:37,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1917630687, now seen corresponding path program 1 times [2023-11-28 20:27:37,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:27:37,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469547458] [2023-11-28 20:27:37,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:37,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:27:37,601 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:27:37,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33656073] [2023-11-28 20:27:37,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:37,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:37,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:37,603 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:27:37,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-28 20:27:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:37,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 20:27:37,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 972 proven. 126 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2023-11-28 20:27:38,365 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 54 proven. 129 refuted. 0 times theorem prover too weak. 1801 trivial. 0 not checked. [2023-11-28 20:27:38,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:27:38,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469547458] [2023-11-28 20:27:38,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:27:38,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33656073] [2023-11-28 20:27:38,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33656073] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:27:38,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:27:38,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-11-28 20:27:38,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689585199] [2023-11-28 20:27:38,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:27:38,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-28 20:27:38,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:27:38,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-28 20:27:38,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:27:38,690 INFO L87 Difference]: Start difference. First operand 290 states and 411 transitions. Second operand has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 18 states have internal predecessors, (97), 6 states have call successors, (64), 4 states have call predecessors, (64), 8 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) [2023-11-28 20:27:40,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:40,331 INFO L93 Difference]: Finished difference Result 1443 states and 1999 transitions. [2023-11-28 20:27:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-28 20:27:40,332 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 18 states have internal predecessors, (97), 6 states have call successors, (64), 4 states have call predecessors, (64), 8 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) Word has length 211 [2023-11-28 20:27:40,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:40,337 INFO L225 Difference]: With dead ends: 1443 [2023-11-28 20:27:40,337 INFO L226 Difference]: Without dead ends: 1154 [2023-11-28 20:27:40,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=543, Invalid=1097, Unknown=0, NotChecked=0, Total=1640 [2023-11-28 20:27:40,339 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 877 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:40,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 680 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-28 20:27:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2023-11-28 20:27:40,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 712. [2023-11-28 20:27:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 620 states have (on average 1.35) internal successors, (837), 624 states have internal predecessors, (837), 76 states have call successors, (76), 15 states have call predecessors, (76), 15 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-28 20:27:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 989 transitions. [2023-11-28 20:27:40,416 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 989 transitions. Word has length 211 [2023-11-28 20:27:40,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:40,417 INFO L495 AbstractCegarLoop]: Abstraction has 712 states and 989 transitions. [2023-11-28 20:27:40,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 18 states have internal predecessors, (97), 6 states have call successors, (64), 4 states have call predecessors, (64), 8 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) [2023-11-28 20:27:40,417 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 989 transitions. [2023-11-28 20:27:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-28 20:27:40,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:40,420 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:40,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-28 20:27:40,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-28 20:27:40,620 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:40,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:40,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1634796184, now seen corresponding path program 1 times [2023-11-28 20:27:40,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:27:40,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903082289] [2023-11-28 20:27:40,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:40,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:27:40,646 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:27:40,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690667] [2023-11-28 20:27:40,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:40,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:40,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:40,647 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:27:40,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-28 20:27:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:40,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:27:40,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:27:40,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:27:40,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:27:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903082289] [2023-11-28 20:27:40,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:27:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690667] [2023-11-28 20:27:40,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:27:40,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:27:40,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:27:40,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530469478] [2023-11-28 20:27:40,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:40,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:27:40,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:27:40,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:27:40,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:27:40,888 INFO L87 Difference]: Start difference. First operand 712 states and 989 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:27:41,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:41,073 INFO L93 Difference]: Finished difference Result 1500 states and 2067 transitions. [2023-11-28 20:27:41,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:27:41,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2023-11-28 20:27:41,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:41,078 INFO L225 Difference]: With dead ends: 1500 [2023-11-28 20:27:41,079 INFO L226 Difference]: Without dead ends: 789 [2023-11-28 20:27:41,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:27:41,081 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 44 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:41,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 275 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:27:41,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-11-28 20:27:41,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 689. [2023-11-28 20:27:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 601 states have (on average 1.3377703826955074) internal successors, (804), 603 states have internal predecessors, (804), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-28 20:27:41,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 948 transitions. [2023-11-28 20:27:41,147 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 948 transitions. Word has length 211 [2023-11-28 20:27:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:41,147 INFO L495 AbstractCegarLoop]: Abstraction has 689 states and 948 transitions. [2023-11-28 20:27:41,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:27:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 948 transitions. [2023-11-28 20:27:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-28 20:27:41,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:41,150 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:41,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-28 20:27:41,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:41,351 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:41,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:41,351 INFO L85 PathProgramCache]: Analyzing trace with hash -932581079, now seen corresponding path program 1 times [2023-11-28 20:27:41,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:27:41,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686150636] [2023-11-28 20:27:41,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:41,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:27:41,375 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:27:41,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584984857] [2023-11-28 20:27:41,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:41,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:41,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:41,377 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:27:41,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-28 20:27:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:41,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-28 20:27:41,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 981 proven. 153 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-11-28 20:27:42,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 108 proven. 162 refuted. 0 times theorem prover too weak. 1714 trivial. 0 not checked. [2023-11-28 20:27:43,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:27:43,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686150636] [2023-11-28 20:27:43,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:27:43,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584984857] [2023-11-28 20:27:43,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584984857] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:27:43,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:27:43,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2023-11-28 20:27:43,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612230321] [2023-11-28 20:27:43,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:27:43,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-28 20:27:43,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:27:43,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-28 20:27:43,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2023-11-28 20:27:43,556 INFO L87 Difference]: Start difference. First operand 689 states and 948 transitions. Second operand has 28 states, 27 states have (on average 4.407407407407407) internal successors, (119), 26 states have internal predecessors, (119), 8 states have call successors, (64), 5 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 8 states have call successors, (64) [2023-11-28 20:27:46,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:46,768 INFO L93 Difference]: Finished difference Result 1828 states and 2451 transitions. [2023-11-28 20:27:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-28 20:27:46,768 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 4.407407407407407) internal successors, (119), 26 states have internal predecessors, (119), 8 states have call successors, (64), 5 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 8 states have call successors, (64) Word has length 212 [2023-11-28 20:27:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:46,773 INFO L225 Difference]: With dead ends: 1828 [2023-11-28 20:27:46,773 INFO L226 Difference]: Without dead ends: 1140 [2023-11-28 20:27:46,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=992, Invalid=2668, Unknown=0, NotChecked=0, Total=3660 [2023-11-28 20:27:46,776 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 554 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 1652 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:46,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1156 Invalid, 1769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1652 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-28 20:27:46,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2023-11-28 20:27:46,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 782. [2023-11-28 20:27:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 673 states have (on average 1.298662704309064) internal successors, (874), 676 states have internal predecessors, (874), 78 states have call successors, (78), 30 states have call predecessors, (78), 30 states have return successors, (78), 75 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-28 20:27:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1030 transitions. [2023-11-28 20:27:46,888 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1030 transitions. Word has length 212 [2023-11-28 20:27:46,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:46,889 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1030 transitions. [2023-11-28 20:27:46,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 4.407407407407407) internal successors, (119), 26 states have internal predecessors, (119), 8 states have call successors, (64), 5 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 8 states have call successors, (64) [2023-11-28 20:27:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1030 transitions. [2023-11-28 20:27:46,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-28 20:27:46,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:46,892 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:46,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-28 20:27:47,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:47,092 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:47,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:47,093 INFO L85 PathProgramCache]: Analyzing trace with hash -345775065, now seen corresponding path program 1 times [2023-11-28 20:27:47,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:27:47,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359609190] [2023-11-28 20:27:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:27:47,117 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:27:47,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493224442] [2023-11-28 20:27:47,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:47,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:47,118 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:27:47,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-28 20:27:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:47,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-28 20:27:47,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1351 proven. 198 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-28 20:27:48,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:50,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:27:50,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359609190] [2023-11-28 20:27:50,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:27:50,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493224442] [2023-11-28 20:27:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493224442] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:50,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:50,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-11-28 20:27:50,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279107887] [2023-11-28 20:27:50,599 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:27:50,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-28 20:27:50,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:27:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-28 20:27:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2023-11-28 20:27:50,600 INFO L87 Difference]: Start difference. First operand 782 states and 1030 transitions. Second operand has 16 states, 16 states have (on average 4.75) internal successors, (76), 15 states have internal predecessors, (76), 6 states have call successors, (32), 6 states have call predecessors, (32), 8 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2023-11-28 20:27:51,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:51,339 INFO L93 Difference]: Finished difference Result 1640 states and 2149 transitions. [2023-11-28 20:27:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-28 20:27:51,339 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 15 states have internal predecessors, (76), 6 states have call successors, (32), 6 states have call predecessors, (32), 8 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 212 [2023-11-28 20:27:51,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:51,343 INFO L225 Difference]: With dead ends: 1640 [2023-11-28 20:27:51,343 INFO L226 Difference]: Without dead ends: 888 [2023-11-28 20:27:51,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=330, Invalid=662, Unknown=0, NotChecked=0, Total=992 [2023-11-28 20:27:51,345 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 296 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:51,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 321 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:27:51,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2023-11-28 20:27:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 786. [2023-11-28 20:27:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 676 states have (on average 1.2381656804733727) internal successors, (837), 679 states have internal predecessors, (837), 78 states have call successors, (78), 31 states have call predecessors, (78), 31 states have return successors, (78), 75 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-28 20:27:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 993 transitions. [2023-11-28 20:27:51,416 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 993 transitions. Word has length 212 [2023-11-28 20:27:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:51,417 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 993 transitions. [2023-11-28 20:27:51,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 15 states have internal predecessors, (76), 6 states have call successors, (32), 6 states have call predecessors, (32), 8 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2023-11-28 20:27:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 993 transitions. [2023-11-28 20:27:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-28 20:27:51,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:51,419 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:51,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-28 20:27:51,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-28 20:27:51,619 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:51,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:51,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1137399075, now seen corresponding path program 1 times [2023-11-28 20:27:51,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:27:51,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824821486] [2023-11-28 20:27:51,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:51,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:27:51,638 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:27:51,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777761312] [2023-11-28 20:27:51,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:51,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:27:51,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:51,639 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:27:51,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-28 20:27:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:27:51,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:27:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:27:52,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:27:52,016 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 20:27:52,017 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 20:27:52,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-28 20:27:52,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-28 20:27:52,222 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] [2023-11-28 20:27:52,225 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:27:52,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-28 20:27:52,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-28 20:27:52,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-28 20:27:52,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-28 20:27:52,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-28 20:27:52,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-28 20:27:52,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-28 20:27:52,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-28 20:27:52,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-28 20:27:52,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-28 20:27:52,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:27:52 BoogieIcfgContainer [2023-11-28 20:27:52,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:27:52,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:27:52,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:27:52,367 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:27:52,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:21:47" (3/4) ... [2023-11-28 20:27:52,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 20:27:52,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:27:52,371 INFO L158 Benchmark]: Toolchain (without parser) took 365819.27ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 120.5MB in the beginning and 180.0MB in the end (delta: -59.6MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2023-11-28 20:27:52,371 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:27:52,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.25ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 104.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-28 20:27:52,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.33ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 99.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 20:27:52,372 INFO L158 Benchmark]: Boogie Preprocessor took 68.34ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 93.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-28 20:27:52,372 INFO L158 Benchmark]: RCFGBuilder took 614.69ms. Allocated memory is still 159.4MB. Free memory was 93.2MB in the beginning and 61.0MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-28 20:27:52,373 INFO L158 Benchmark]: TraceAbstraction took 364729.58ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 60.2MB in the beginning and 180.0MB in the end (delta: -119.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:27:52,373 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 276.8MB. Free memory is still 180.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:27:52,375 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 159.4MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.25ms. Allocated memory is still 159.4MB. Free memory was 120.0MB in the beginning and 104.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.33ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 99.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.34ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 93.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 614.69ms. Allocated memory is still 159.4MB. Free memory was 93.2MB in the beginning and 61.0MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 364729.58ms. Allocated memory was 159.4MB in the beginning and 276.8MB in the end (delta: 117.4MB). Free memory was 60.2MB in the beginning and 180.0MB in the end (delta: -119.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 276.8MB. Free memory is still 180.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation 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 189, overapproximation of someUnaryDOUBLEoperation at line 79. 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] signed short int var_1_35 = 8; [L50] signed short int var_1_37 = -4; [L51] float var_1_38 = 15.875; [L52] double var_1_39 = 0.125; [L53] double var_1_40 = 3.8; [L54] signed char var_1_43 = -8; [L55] unsigned short int last_1_var_1_15 = 128; [L193] isInitial = 1 [L194] FCALL initially() [L195] COND TRUE 1 [L196] CALL updateLastVariables() [L186] last_1_var_1_15 = var_1_15 [L196] RET updateLastVariables() [L197] CALL updateVariables() [L136] var_1_3 = __VERIFIER_nondet_char() [L137] 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_35=8, 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_43=-8, 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_35=8, 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_43=-8, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L137] 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_35=8, 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_43=-8, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L138] 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_35=8, 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_43=-8, 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_35=8, 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_43=-8, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L138] 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_35=8, 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_43=-8, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L139] var_1_4 = __VERIFIER_nondet_char() [L140] 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_35=8, 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_43=-8, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L140] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L141] 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_35=8, 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_43=-8, 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_35=8, 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_43=-8, var_1_4=0, 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_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_35=8, 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_43=-8, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L142] var_1_5 = __VERIFIER_nondet_char() [L143] 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_35=8, 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_43=-8, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L143] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L144] 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_35=8, 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_43=-8, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L144] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L145] var_1_7 = __VERIFIER_nondet_long() [L146] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-4, var_1_9=50] [L146] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-4, var_1_9=50] [L147] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-4, var_1_9=50] [L147] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-4, var_1_9=50] [L148] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-4, var_1_9=50] [L148] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-4, var_1_9=50] [L149] var_1_8 = __VERIFIER_nondet_long() [L150] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L150] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L151] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L151] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L152] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L152] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L153] var_1_10 = __VERIFIER_nondet_uchar() [L154] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L154] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L155] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L155] 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L156] var_1_11 = __VERIFIER_nondet_uchar() [L157] 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=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L157] 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=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L158] 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=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L158] 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=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L159] 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=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L159] 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=126, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L160] var_1_16 = __VERIFIER_nondet_long() [L161] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L161] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L162] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L162] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, 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_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L163] var_1_17 = __VERIFIER_nondet_ushort() [L164] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L164] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L165] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L165] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L166] var_1_21 = __VERIFIER_nondet_double() [L167] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L167] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L168] var_1_29 = __VERIFIER_nondet_uchar() [L169] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L169] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_30=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L170] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L170] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L171] var_1_30 = __VERIFIER_nondet_uchar() [L172] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L172] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_31=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L173] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L173] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L174] var_1_31 = __VERIFIER_nondet_uchar() [L175] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L175] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_24=2, var_1_27=0, var_1_29=0, var_1_30=0, var_1_32=1, var_1_33=0, var_1_35=8, 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_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L176] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L176] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L177] var_1_32 = __VERIFIER_nondet_uchar() [L178] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L178] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L179] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L179] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_39=1/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L180] var_1_39 = __VERIFIER_nondet_double() [L181] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L181] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_40=19/5, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L182] var_1_40 = __VERIFIER_nondet_double() [L183] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L183] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L197] RET updateVariables() [L198] CALL step() [L59] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=50] [L59] COND FALSE !(last_1_var_1_15 <= (var_1_8 & var_1_4)) [L64] var_1_9 = var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L66] 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=126, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L66] signed long int stepLocal_3 = (var_1_4 + var_1_9) & var_1_7; [L67] COND TRUE stepLocal_3 <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16)))) [L68] 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-4, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L72] var_1_37 = ((((((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) < (var_1_1)) ? (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) : (var_1_1))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_3=0, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-10, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L73] COND FALSE !(var_1_7 == var_1_11) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_3=0, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_22=0, var_1_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_37=-10, var_1_38=127/8, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L78] COND TRUE var_1_40 >= var_1_39 [L79] var_1_38 = ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_3=0, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L82] signed long int stepLocal_1 = -4; [L83] 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L84] 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L89] COND FALSE !(var_1_19 && 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L94] var_1_18 = var_1_17 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L95] COND TRUE var_1_5 != ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L96] var_1_33 = (5 + var_1_11) 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L98] COND TRUE ! 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L99] COND FALSE !(((var_1_4 + -128) % var_1_17) >= 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L105] var_1_19 = 0 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L106] COND FALSE !((~ var_1_4) > (var_1_11 / var_1_17)) 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=49/10, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L109] 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L110] 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=126, var_1_12=10, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L113] COND TRUE var_1_3 <= var_1_1 [L114] 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=126, var_1_12=0, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L118] var_1_22 = var_1_10 [L119] unsigned long int stepLocal_2 = var_1_18; VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=65534, stepLocal_3=0, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=16, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L120] COND TRUE (~ var_1_3) < stepLocal_2 [L121] var_1_13 = (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=65534, stepLocal_3=0, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L123] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, last_1_var_1_15=128, stepLocal_0=-16, stepLocal_1=-4, stepLocal_2=65534, stepLocal_3=0, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L198] RET step() [L199] CALL, EXPR property() [L189] 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=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L189] EXPR var_1_8 & var_1_4 VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L189] 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=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L189] 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=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L189] 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=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L189] 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=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L189-L190] 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)) ; [L199] RET, EXPR property() [L199] 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=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=-5, var_1_15=190, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_22=127, 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=131, var_1_35=8, var_1_37=-10, var_1_38=3, var_1_3=-10, var_1_43=-8, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=127, var_1_8=-2147483648, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 364.5s, OverallIterations: 22, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 241.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 4085 SdHoareTripleChecker+Valid, 139.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4060 mSDsluCounter, 15237 SdHoareTripleChecker+Invalid, 138.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12055 mSDsCounter, 477 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9296 IncrementalHoareTripleChecker+Invalid, 9789 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 477 mSolverCounterUnsat, 3182 mSDtfsCounter, 9296 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6132 GetRequests, 5747 SyntacticMatches, 0 SemanticMatches, 385 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2869 ImplicationChecksByTransitivity, 129.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=786occurred in iteration=21, InterpolantAutomatonStates: 293, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 21 MinimizatonAttempts, 2498 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 113.2s InterpolantComputationTime, 4829 NumberOfCodeBlocks, 4829 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5856 ConstructedInterpolants, 36 QuantifiedInterpolants, 42401 SizeOfPredicates, 212 NumberOfNonLiveVariables, 10106 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 28 InterpolantComputations, 17 PerfectInterpolantSequences, 53971/55552 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 [2023-11-28 20:27:52,601 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-28 20:27:52,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 f6ae2d08b6b9cdbd7b18582cf72b2bfec08200de0cfc5a02e4f3dfeafad06eff --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:27:54,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:27:54,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-28 20:27:54,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:27:54,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:27:54,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:27:54,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:27:54,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:27:54,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:27:54,490 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:27:54,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:27:54,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:27:54,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:27:54,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:27:54,493 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:27:54,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:27:54,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:27:54,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:27:54,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:27:54,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:27:54,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:27:54,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:27:54,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:27:54,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 20:27:54,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 20:27:54,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 20:27:54,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:27:54,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:27:54,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:27:54,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:27:54,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:27:54,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:27:54,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:27:54,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:27:54,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:27:54,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:27:54,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:27:54,502 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 20:27:54,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 20:27:54,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:27:54,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:27:54,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:27:54,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:27:54,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:27:54,504 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 20:27:54,504 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_23779a43-d182-44c1-b3ff-f2a4749e1d46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6ae2d08b6b9cdbd7b18582cf72b2bfec08200de0cfc5a02e4f3dfeafad06eff [2023-11-28 20:27:54,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:27:54,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:27:54,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:27:54,839 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:27:54,840 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:27:54,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i [2023-11-28 20:27:57,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:27:57,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:27:57,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i [2023-11-28 20:27:57,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data/1a5a56a94/2a65f9c642c14e01bdff73dca92c09cd/FLAG6c89cfd83 [2023-11-28 20:27:57,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/data/1a5a56a94/2a65f9c642c14e01bdff73dca92c09cd [2023-11-28 20:27:57,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:27:57,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:27:57,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:27:57,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:27:57,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:27:57,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:27:57" (1/1) ... [2023-11-28 20:27:57,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d6b0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:57, skipping insertion in model container [2023-11-28 20:27:57,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:27:57" (1/1) ... [2023-11-28 20:27:57,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:27:58,099 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_23779a43-d182-44c1-b3ff-f2a4749e1d46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i[919,932] [2023-11-28 20:27:58,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:27:58,195 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:27:58,209 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_23779a43-d182-44c1-b3ff-f2a4749e1d46/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i[919,932] [2023-11-28 20:27:58,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:27:58,272 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:27:58,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58 WrapperNode [2023-11-28 20:27:58,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:27:58,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:27:58,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:27:58,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:27:58,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,331 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-28 20:27:58,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:27:58,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:27:58,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:27:58,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:27:58,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,369 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]. [2023-11-28 20:27:58,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:27:58,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:27:58,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:27:58,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:27:58,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (1/1) ... [2023-11-28 20:27:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:27:58,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:27:58,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:27:58,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:27:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:27:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 20:27:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:27:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:27:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:27:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:27:58,577 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:27:58,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:27:59,948 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:28:00,004 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:28:00,004 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:28:00,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:00 BoogieIcfgContainer [2023-11-28 20:28:00,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:28:00,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:28:00,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:28:00,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:28:00,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:27:57" (1/3) ... [2023-11-28 20:28:00,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4039c1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:28:00, skipping insertion in model container [2023-11-28 20:28:00,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:27:58" (2/3) ... [2023-11-28 20:28:00,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4039c1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:28:00, skipping insertion in model container [2023-11-28 20:28:00,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:00" (3/3) ... [2023-11-28 20:28:00,015 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-84.i [2023-11-28 20:28:00,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:28:00,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:28:00,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:28:00,103 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;@4f1bba02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:28:00,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:28:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-28 20:28:00,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-28 20:28:00,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:28:00,137 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:28:00,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:28:00,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:28:00,144 INFO L85 PathProgramCache]: Analyzing trace with hash 57078164, now seen corresponding path program 1 times [2023-11-28 20:28:00,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:28:00,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133925937] [2023-11-28 20:28:00,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:28:00,166 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 [2023-11-28 20:28:00,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:28:00,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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) [2023-11-28 20:28:00,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:28:00,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 20:28:00,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:28:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2023-11-28 20:28:00,657 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:28:00,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:28:00,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133925937] [2023-11-28 20:28:00,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133925937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:28:00,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:28:00,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:28:00,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501547594] [2023-11-28 20:28:00,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:28:00,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:28:00,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:28:00,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:28:00,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:28:00,699 INFO L87 Difference]: Start difference. First operand has 88 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-28 20:28:00,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:28:00,836 INFO L93 Difference]: Finished difference Result 173 states and 314 transitions. [2023-11-28 20:28:00,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:28:00,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 201 [2023-11-28 20:28:00,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:28:00,853 INFO L225 Difference]: With dead ends: 173 [2023-11-28 20:28:00,854 INFO L226 Difference]: Without dead ends: 86 [2023-11-28 20:28:00,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:28:00,862 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 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 [2023-11-28 20:28:00,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:28:00,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-28 20:28:00,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-28 20:28:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-28 20:28:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 137 transitions. [2023-11-28 20:28:00,917 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 137 transitions. Word has length 201 [2023-11-28 20:28:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:28:00,918 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 137 transitions. [2023-11-28 20:28:00,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-28 20:28:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2023-11-28 20:28:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-28 20:28:00,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:28:00,925 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:28:00,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:01,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:01,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:28:01,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:28:01,127 INFO L85 PathProgramCache]: Analyzing trace with hash -993286952, now seen corresponding path program 1 times [2023-11-28 20:28:01,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:28:01,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844358516] [2023-11-28 20:28:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:28:01,128 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 [2023-11-28 20:28:01,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:28:01,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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) [2023-11-28 20:28:01,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:28:01,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:28:01,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:28:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-28 20:28:02,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:28:02,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:28:02,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844358516] [2023-11-28 20:28:02,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844358516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:28:02,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:28:02,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:28:02,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473669547] [2023-11-28 20:28:02,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:28:02,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:28:02,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:28:02,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:28:02,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:28:02,111 INFO L87 Difference]: Start difference. First operand 86 states and 137 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:28:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:28:02,211 INFO L93 Difference]: Finished difference Result 168 states and 267 transitions. [2023-11-28 20:28:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:28:02,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 201 [2023-11-28 20:28:02,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:28:02,223 INFO L225 Difference]: With dead ends: 168 [2023-11-28 20:28:02,223 INFO L226 Difference]: Without dead ends: 83 [2023-11-28 20:28:02,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:28:02,225 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:28:02,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 120 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:28:02,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-28 20:28:02,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-28 20:28:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 49 states have internal predecessors, (63), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-28 20:28:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 127 transitions. [2023-11-28 20:28:02,244 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 127 transitions. Word has length 201 [2023-11-28 20:28:02,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:28:02,246 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 127 transitions. [2023-11-28 20:28:02,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-28 20:28:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-28 20:28:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-28 20:28:02,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:28:02,251 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:28:02,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:02,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:02,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:28:02,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:28:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1688212061, now seen corresponding path program 1 times [2023-11-28 20:28:02,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:28:02,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756773019] [2023-11-28 20:28:02,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:28:02,460 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 [2023-11-28 20:28:02,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:28:02,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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) [2023-11-28 20:28:02,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:28:02,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:28:02,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:28:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1098 proven. 120 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-28 20:28:03,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:28:04,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:28:04,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756773019] [2023-11-28 20:28:04,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756773019] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:28:04,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2103437784] [2023-11-28 20:28:04,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:28:04,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:28:04,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:28:04,644 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:28:04,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-28 20:28:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:28:05,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:28:05,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:28:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 267 proven. 87 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2023-11-28 20:28:06,230 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:28:08,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2103437784] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:28:08,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:28:08,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 9 [2023-11-28 20:28:08,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569751071] [2023-11-28 20:28:08,215 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:28:08,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-28 20:28:08,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:28:08,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-28 20:28:08,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-11-28 20:28:08,218 INFO L87 Difference]: Start difference. First operand 83 states and 127 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 3 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-28 20:28:09,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:28:09,451 INFO L93 Difference]: Finished difference Result 185 states and 272 transitions. [2023-11-28 20:28:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-28 20:28:09,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 3 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 202 [2023-11-28 20:28:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:28:09,455 INFO L225 Difference]: With dead ends: 185 [2023-11-28 20:28:09,455 INFO L226 Difference]: Without dead ends: 103 [2023-11-28 20:28:09,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2023-11-28 20:28:09,459 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 86 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:28:09,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 240 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-28 20:28:09,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-28 20:28:09,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 98. [2023-11-28 20:28:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 60 states have internal predecessors, (71), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-28 20:28:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 139 transitions. [2023-11-28 20:28:09,480 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 139 transitions. Word has length 202 [2023-11-28 20:28:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:28:09,481 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 139 transitions. [2023-11-28 20:28:09,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 3 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-28 20:28:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 139 transitions. [2023-11-28 20:28:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-28 20:28:09,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:28:09,485 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:28:09,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-28 20:28:09,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:09,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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 [2023-11-28 20:28:09,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:28:09,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:28:09,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1553350489, now seen corresponding path program 1 times [2023-11-28 20:28:09,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:28:09,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381733763] [2023-11-28 20:28:09,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:28:09,891 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 [2023-11-28 20:28:09,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:28:09,892 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/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) [2023-11-28 20:28:09,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23779a43-d182-44c1-b3ff-f2a4749e1d46/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-28 20:28:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:28:10,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-28 20:28:10,356 INFO L285 TraceCheckSpWp]: Computing forward predicates...