./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.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_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/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_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/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_683e3a3b-e84f-44b0-af57-0abe571e3c70/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 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:34:09,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:34:09,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:34:09,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:34:09,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:34:09,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:34:09,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:34:09,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:34:09,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:34:09,516 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:34:09,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:34:09,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:34:09,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:34:09,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:34:09,519 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:34:09,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:34:09,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:34:09,521 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:34:09,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:34:09,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:34:09,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:34:09,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:34:09,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:34:09,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:34:09,524 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:34:09,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:34:09,525 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:34:09,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:34:09,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:34:09,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:34:09,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:34:09,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:34:09,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:34:09,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:34:09,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:34:09,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:34:09,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:34:09,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:34:09,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:34:09,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:34:09,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:34:09,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:34:09,530 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_683e3a3b-e84f-44b0-af57-0abe571e3c70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f [2023-11-29 00:34:09,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:34:09,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:34:09,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:34:09,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:34:09,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:34:09,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-29 00:34:12,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:34:12,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:34:12,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-29 00:34:12,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data/0d9623c90/0c4a849c7c8d4bd9a9eaae6640747c89/FLAG1aab0dd2c [2023-11-29 00:34:12,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data/0d9623c90/0c4a849c7c8d4bd9a9eaae6640747c89 [2023-11-29 00:34:12,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:34:12,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:34:12,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:34:12,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:34:12,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:34:12,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:34:12" (1/1) ... [2023-11-29 00:34:12,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294c1c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:12, skipping insertion in model container [2023-11-29 00:34:12,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:34:12" (1/1) ... [2023-11-29 00:34:12,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:34:13,013 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_683e3a3b-e84f-44b0-af57-0abe571e3c70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-29 00:34:13,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:34:13,092 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:34:13,102 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_683e3a3b-e84f-44b0-af57-0abe571e3c70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-29 00:34:13,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:34:13,157 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:34:13,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13 WrapperNode [2023-11-29 00:34:13,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:34:13,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:34:13,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:34:13,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:34:13,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,214 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-29 00:34:13,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:34:13,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:34:13,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:34:13,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:34:13,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,248 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:34:13,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:34:13,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:34:13,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:34:13,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:34:13,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (1/1) ... [2023-11-29 00:34:13,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:34:13,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:13,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:34:13,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:34:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:34:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:34:13,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:34:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:34:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:34:13,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:34:13,417 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:34:13,418 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:34:13,817 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:34:13,849 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:34:13,849 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:34:13,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:34:13 BoogieIcfgContainer [2023-11-29 00:34:13,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:34:13,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:34:13,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:34:13,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:34:13,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:34:12" (1/3) ... [2023-11-29 00:34:13,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3e07f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:34:13, skipping insertion in model container [2023-11-29 00:34:13,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:34:13" (2/3) ... [2023-11-29 00:34:13,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3e07f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:34:13, skipping insertion in model container [2023-11-29 00:34:13,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:34:13" (3/3) ... [2023-11-29 00:34:13,860 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-29 00:34:13,879 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:34:13,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:34:13,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:34:13,927 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;@71c7157e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:34:13,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:34:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 67 states have internal predecessors, (104), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:34:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:34:13,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:13,948 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:13,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:13,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:13,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1043122057, now seen corresponding path program 1 times [2023-11-29 00:34:13,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:13,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797322973] [2023-11-29 00:34:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:13,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:14,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:14,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797322973] [2023-11-29 00:34:14,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 00:34:14,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044567339] [2023-11-29 00:34:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:14,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:14,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:14,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:14,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:34:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:14,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:34:14,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-29 00:34:14,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:34:14,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044567339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:14,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:14,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:34:14,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189038250] [2023-11-29 00:34:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:14,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:34:14,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:14,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:34:14,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:34:14,425 INFO L87 Difference]: Start difference. First operand has 93 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 67 states have internal predecessors, (104), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:34:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:14,472 INFO L93 Difference]: Finished difference Result 183 states and 326 transitions. [2023-11-29 00:34:14,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:34:14,475 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-11-29 00:34:14,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:14,482 INFO L225 Difference]: With dead ends: 183 [2023-11-29 00:34:14,482 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 00:34:14,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:34:14,489 INFO L413 NwaCegarLoop]: 142 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, 142 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:14,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:34:14,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 00:34:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-29 00:34:14,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 65 states have (on average 1.4923076923076923) internal successors, (97), 65 states have internal predecessors, (97), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:34:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 145 transitions. [2023-11-29 00:34:14,535 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 145 transitions. Word has length 161 [2023-11-29 00:34:14,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:14,536 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 145 transitions. [2023-11-29 00:34:14,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:34:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2023-11-29 00:34:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:34:14,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:14,541 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:14,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:34:14,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 00:34:14,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:14,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:14,743 INFO L85 PathProgramCache]: Analyzing trace with hash -510426821, now seen corresponding path program 1 times [2023-11-29 00:34:14,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:14,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057568829] [2023-11-29 00:34:14,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:14,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:14,801 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:14,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961126392] [2023-11-29 00:34:14,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:14,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:14,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:14,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:14,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:34:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:14,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:34:14,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:34:14,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:34:14,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:14,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057568829] [2023-11-29 00:34:14,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:14,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961126392] [2023-11-29 00:34:14,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961126392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:14,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:14,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:34:14,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94952671] [2023-11-29 00:34:14,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:14,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:34:14,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:14,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:34:14,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:14,992 INFO L87 Difference]: Start difference. First operand 91 states and 145 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:15,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:15,028 INFO L93 Difference]: Finished difference Result 181 states and 289 transitions. [2023-11-29 00:34:15,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:34:15,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:34:15,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:15,033 INFO L225 Difference]: With dead ends: 181 [2023-11-29 00:34:15,033 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 00:34:15,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:15,036 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 31 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:15,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 247 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:34:15,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 00:34:15,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-29 00:34:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 65 states have (on average 1.476923076923077) internal successors, (96), 65 states have internal predecessors, (96), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:34:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 144 transitions. [2023-11-29 00:34:15,054 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 144 transitions. Word has length 161 [2023-11-29 00:34:15,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:15,056 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 144 transitions. [2023-11-29 00:34:15,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2023-11-29 00:34:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:34:15,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:15,061 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:15,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:34:15,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:15,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:15,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:15,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1790395769, now seen corresponding path program 1 times [2023-11-29 00:34:15,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:15,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91030084] [2023-11-29 00:34:15,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:15,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:15,323 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:15,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641841003] [2023-11-29 00:34:15,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:15,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:15,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:15,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:15,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:34:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:15,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:34:15,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:34:15,605 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:34:15,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:15,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91030084] [2023-11-29 00:34:15,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:15,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641841003] [2023-11-29 00:34:15,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641841003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:15,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:15,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:34:15,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360818966] [2023-11-29 00:34:15,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:15,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:34:15,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:15,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:34:15,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:15,611 INFO L87 Difference]: Start difference. First operand 91 states and 144 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:15,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:15,797 INFO L93 Difference]: Finished difference Result 270 states and 428 transitions. [2023-11-29 00:34:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:34:15,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:34:15,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:15,802 INFO L225 Difference]: With dead ends: 270 [2023-11-29 00:34:15,802 INFO L226 Difference]: Without dead ends: 180 [2023-11-29 00:34:15,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:34:15,804 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 152 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:15,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 359 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:34:15,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-29 00:34:15,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 109. [2023-11-29 00:34:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 83 states have (on average 1.5060240963855422) internal successors, (125), 83 states have internal predecessors, (125), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:34:15,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 173 transitions. [2023-11-29 00:34:15,824 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 173 transitions. Word has length 161 [2023-11-29 00:34:15,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:15,825 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 173 transitions. [2023-11-29 00:34:15,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2023-11-29 00:34:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:34:15,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:15,831 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:15,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:34:16,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:16,036 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:16,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:16,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1483503173, now seen corresponding path program 1 times [2023-11-29 00:34:16,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:16,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130619258] [2023-11-29 00:34:16,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:16,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:16,076 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:16,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136143516] [2023-11-29 00:34:16,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:16,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:16,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:16,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:16,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:34:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:16,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:34:16,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:34:16,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:34:16,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:16,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130619258] [2023-11-29 00:34:16,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:16,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136143516] [2023-11-29 00:34:16,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136143516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:16,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:16,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:34:16,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160522453] [2023-11-29 00:34:16,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:16,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:34:16,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:16,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:34:16,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:16,515 INFO L87 Difference]: Start difference. First operand 109 states and 173 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:16,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:16,608 INFO L93 Difference]: Finished difference Result 325 states and 517 transitions. [2023-11-29 00:34:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:34:16,608 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:34:16,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:16,611 INFO L225 Difference]: With dead ends: 325 [2023-11-29 00:34:16,611 INFO L226 Difference]: Without dead ends: 217 [2023-11-29 00:34:16,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:16,613 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 71 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:16,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 289 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:34:16,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-29 00:34:16,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 215. [2023-11-29 00:34:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 164 states have (on average 1.5060975609756098) internal successors, (247), 164 states have internal predecessors, (247), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:34:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 343 transitions. [2023-11-29 00:34:16,644 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 343 transitions. Word has length 161 [2023-11-29 00:34:16,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:16,645 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 343 transitions. [2023-11-29 00:34:16,645 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 343 transitions. [2023-11-29 00:34:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:34:16,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:16,648 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:16,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:34:16,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:16,849 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:16,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:16,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1060801347, now seen corresponding path program 1 times [2023-11-29 00:34:16,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730435887] [2023-11-29 00:34:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:16,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:16,883 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:16,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739973134] [2023-11-29 00:34:16,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:16,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:16,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:16,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:16,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:34:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:17,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:34:17,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:17,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:34:17,235 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:34:17,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:17,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730435887] [2023-11-29 00:34:17,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:17,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739973134] [2023-11-29 00:34:17,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739973134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:17,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:17,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:34:17,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093563881] [2023-11-29 00:34:17,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:17,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:34:17,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:17,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:34:17,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:17,238 INFO L87 Difference]: Start difference. First operand 215 states and 343 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:17,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:17,353 INFO L93 Difference]: Finished difference Result 217 states and 344 transitions. [2023-11-29 00:34:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:34:17,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:34:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:17,357 INFO L225 Difference]: With dead ends: 217 [2023-11-29 00:34:17,357 INFO L226 Difference]: Without dead ends: 109 [2023-11-29 00:34:17,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:17,358 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 64 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:17,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 192 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:34:17,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-29 00:34:17,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-29 00:34:17,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 83 states have internal predecessors, (122), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:34:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 170 transitions. [2023-11-29 00:34:17,372 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 170 transitions. Word has length 161 [2023-11-29 00:34:17,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:17,372 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 170 transitions. [2023-11-29 00:34:17,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 170 transitions. [2023-11-29 00:34:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:34:17,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:17,376 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:17,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:34:17,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:17,580 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:17,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:17,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2071918597, now seen corresponding path program 1 times [2023-11-29 00:34:17,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:17,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56010347] [2023-11-29 00:34:17,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:17,623 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:17,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043351711] [2023-11-29 00:34:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:17,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:17,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:17,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:34:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:17,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:34:17,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:17,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:34:17,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:34:17,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:17,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56010347] [2023-11-29 00:34:17,963 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:17,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043351711] [2023-11-29 00:34:17,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043351711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:17,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:17,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:34:17,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752454263] [2023-11-29 00:34:17,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:17,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:34:17,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:17,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:34:17,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:17,966 INFO L87 Difference]: Start difference. First operand 109 states and 170 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:18,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:18,181 INFO L93 Difference]: Finished difference Result 288 states and 449 transitions. [2023-11-29 00:34:18,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:34:18,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:34:18,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:18,184 INFO L225 Difference]: With dead ends: 288 [2023-11-29 00:34:18,184 INFO L226 Difference]: Without dead ends: 180 [2023-11-29 00:34:18,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:34:18,186 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 149 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:18,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 366 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:34:18,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-29 00:34:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 114. [2023-11-29 00:34:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:34:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 175 transitions. [2023-11-29 00:34:18,202 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 175 transitions. Word has length 161 [2023-11-29 00:34:18,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:18,202 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 175 transitions. [2023-11-29 00:34:18,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2023-11-29 00:34:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-29 00:34:18,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:18,205 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:18,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:34:18,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 00:34:18,405 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:18,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:18,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1265620328, now seen corresponding path program 1 times [2023-11-29 00:34:18,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:18,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519366749] [2023-11-29 00:34:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:18,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:18,435 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:18,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1180238223] [2023-11-29 00:34:18,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:18,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:18,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:18,437 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:18,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:34:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:18,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:34:18,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 473 proven. 30 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-11-29 00:34:19,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:34:23,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:23,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519366749] [2023-11-29 00:34:23,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:23,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180238223] [2023-11-29 00:34:23,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180238223] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:34:23,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:34:23,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-29 00:34:23,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84485384] [2023-11-29 00:34:23,692 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:34:23,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:34:23,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:23,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:34:23,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:34:23,695 INFO L87 Difference]: Start difference. First operand 114 states and 175 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 00:34:27,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:27,785 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2023-11-29 00:34:27,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:34:27,786 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 163 [2023-11-29 00:34:27,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:27,788 INFO L225 Difference]: With dead ends: 243 [2023-11-29 00:34:27,788 INFO L226 Difference]: Without dead ends: 130 [2023-11-29 00:34:27,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:34:27,789 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 137 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:27,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 469 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 00:34:27,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-29 00:34:27,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2023-11-29 00:34:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:34:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions. [2023-11-29 00:34:27,809 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 163 [2023-11-29 00:34:27,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:27,809 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 178 transitions. [2023-11-29 00:34:27,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 00:34:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions. [2023-11-29 00:34:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-29 00:34:27,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:27,813 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:27,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:34:28,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 00:34:28,020 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:28,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:28,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1557813930, now seen corresponding path program 1 times [2023-11-29 00:34:28,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:28,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491042957] [2023-11-29 00:34:28,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:28,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:28,051 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:28,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786395239] [2023-11-29 00:34:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:28,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:28,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:28,053 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:28,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:34:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:28,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:34:28,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:34:28,261 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:34:28,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:28,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491042957] [2023-11-29 00:34:28,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:28,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786395239] [2023-11-29 00:34:28,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786395239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:28,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:28,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:34:28,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448779639] [2023-11-29 00:34:28,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:28,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:34:28,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:28,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:34:28,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:28,264 INFO L87 Difference]: Start difference. First operand 124 states and 178 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:28,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:28,566 INFO L93 Difference]: Finished difference Result 530 states and 760 transitions. [2023-11-29 00:34:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:34:28,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 163 [2023-11-29 00:34:28,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:28,572 INFO L225 Difference]: With dead ends: 530 [2023-11-29 00:34:28,572 INFO L226 Difference]: Without dead ends: 407 [2023-11-29 00:34:28,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:34:28,574 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 299 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:28,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 507 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:34:28,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-11-29 00:34:28,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 210. [2023-11-29 00:34:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 167 states have (on average 1.3532934131736527) internal successors, (226), 168 states have internal predecessors, (226), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-29 00:34:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 300 transitions. [2023-11-29 00:34:28,611 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 300 transitions. Word has length 163 [2023-11-29 00:34:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:28,612 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 300 transitions. [2023-11-29 00:34:28,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:34:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 300 transitions. [2023-11-29 00:34:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-29 00:34:28,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:28,616 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:28,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 00:34:28,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:28,817 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:28,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash -748467304, now seen corresponding path program 1 times [2023-11-29 00:34:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:28,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947057672] [2023-11-29 00:34:28,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:28,846 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:28,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914862246] [2023-11-29 00:34:28,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:28,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:28,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:28,848 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:28,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:34:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:29,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 00:34:29,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-29 00:34:29,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:34:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-29 00:34:30,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947057672] [2023-11-29 00:34:30,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:34:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914862246] [2023-11-29 00:34:30,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914862246] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:34:30,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:34:30,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-29 00:34:30,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957591826] [2023-11-29 00:34:30,151 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:34:30,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:34:30,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:30,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:34:30,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:34:30,154 INFO L87 Difference]: Start difference. First operand 210 states and 300 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-11-29 00:34:32,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:32,948 INFO L93 Difference]: Finished difference Result 1040 states and 1431 transitions. [2023-11-29 00:34:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:34:32,948 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 163 [2023-11-29 00:34:32,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:32,954 INFO L225 Difference]: With dead ends: 1040 [2023-11-29 00:34:32,954 INFO L226 Difference]: Without dead ends: 831 [2023-11-29 00:34:32,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=561, Invalid=1509, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 00:34:32,956 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 503 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:32,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 785 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 00:34:32,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2023-11-29 00:34:33,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 558. [2023-11-29 00:34:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 473 states have (on average 1.302325581395349) internal successors, (616), 478 states have internal predecessors, (616), 69 states have call successors, (69), 15 states have call predecessors, (69), 15 states have return successors, (69), 64 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-29 00:34:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 754 transitions. [2023-11-29 00:34:33,009 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 754 transitions. Word has length 163 [2023-11-29 00:34:33,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:33,009 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 754 transitions. [2023-11-29 00:34:33,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-11-29 00:34:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 754 transitions. [2023-11-29 00:34:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-29 00:34:33,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:33,012 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:33,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 00:34:33,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:33,214 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:33,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:33,214 INFO L85 PathProgramCache]: Analyzing trace with hash 852807092, now seen corresponding path program 1 times [2023-11-29 00:34:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:33,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019857007] [2023-11-29 00:34:33,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:33,235 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:34:33,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114588323] [2023-11-29 00:34:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:33,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:34:33,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:34:33,239 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:34:33,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 00:34:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:34,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 00:34:34,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:34:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 569 proven. 102 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2023-11-29 00:34:35,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:34:59,899 WARN L293 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:35:34,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:35:34,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019857007] [2023-11-29 00:35:34,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:35:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114588323] [2023-11-29 00:35:34,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114588323] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:35:34,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:35:34,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-11-29 00:35:34,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108746969] [2023-11-29 00:35:34,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:35:34,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:35:34,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:35:34,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:35:34,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:35:34,714 INFO L87 Difference]: Start difference. First operand 558 states and 754 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 00:35:39,287 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 [] [2023-11-29 00:35:39,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:35:39,963 INFO L93 Difference]: Finished difference Result 1554 states and 2102 transitions. [2023-11-29 00:35:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 00:35:39,964 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 163 [2023-11-29 00:35:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:35:39,970 INFO L225 Difference]: With dead ends: 1554 [2023-11-29 00:35:39,971 INFO L226 Difference]: Without dead ends: 997 [2023-11-29 00:35:39,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2023-11-29 00:35:39,973 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 259 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:35:39,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 554 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 670 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-29 00:35:39,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2023-11-29 00:35:40,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 868. [2023-11-29 00:35:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 752 states have (on average 1.3058510638297873) internal successors, (982), 757 states have internal predecessors, (982), 93 states have call successors, (93), 22 states have call predecessors, (93), 22 states have return successors, (93), 88 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-29 00:35:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1168 transitions. [2023-11-29 00:35:40,085 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1168 transitions. Word has length 163 [2023-11-29 00:35:40,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:35:40,085 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1168 transitions. [2023-11-29 00:35:40,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 00:35:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1168 transitions. [2023-11-29 00:35:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-29 00:35:40,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:35:40,089 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:35:40,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 00:35:40,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:35:40,290 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:35:40,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:35:40,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1267245759, now seen corresponding path program 1 times [2023-11-29 00:35:40,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:35:40,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289193121] [2023-11-29 00:35:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:35:40,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:35:40,315 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:35:40,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242792760] [2023-11-29 00:35:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:35:40,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:35:40,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:35:40,317 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:35:40,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 00:35:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:35:40,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:35:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:35:40,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:35:40,676 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:35:40,677 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:35:40,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 00:35:40,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:35:40,882 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:35:40,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:35:40,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 00:35:40,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-29 00:35:40,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated [2023-11-29 00:35:40,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-29 00:35:40,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-29 00:35:40,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated [2023-11-29 00:35:41,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:35:41 BoogieIcfgContainer [2023-11-29 00:35:41,002 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:35:41,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:35:41,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:35:41,003 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:35:41,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:34:13" (3/4) ... [2023-11-29 00:35:41,004 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:35:41,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:35:41,006 INFO L158 Benchmark]: Toolchain (without parser) took 88182.04ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 96.8MB in the beginning and 108.2MB in the end (delta: -11.4MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-11-29 00:35:41,006 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:35:41,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.47ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 82.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 00:35:41,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.76ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 79.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:35:41,007 INFO L158 Benchmark]: Boogie Preprocessor took 59.01ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 74.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:35:41,007 INFO L158 Benchmark]: RCFGBuilder took 574.81ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 74.9MB in the beginning and 132.4MB in the end (delta: -57.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-29 00:35:41,007 INFO L158 Benchmark]: TraceAbstraction took 87148.56ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 132.2MB in the beginning and 108.2MB in the end (delta: 24.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-29 00:35:41,008 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 213.9MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:35:41,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.47ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 82.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.76ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 79.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.01ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 74.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 574.81ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 74.9MB in the beginning and 132.4MB in the end (delta: -57.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 87148.56ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 132.2MB in the beginning and 108.2MB in the end (delta: 24.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 213.9MB. Free memory is still 108.2MB. 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~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite21 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 someBinaryFLOATComparisonOperation at line 185, overapproximation of someBinaryArithmeticDOUBLEoperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someUnaryFLOAToperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.5; [L23] unsigned long int var_1_4 = 1; [L24] unsigned long int var_1_5 = 50; [L25] unsigned long int var_1_6 = 4; [L26] float var_1_7 = 15.8; [L27] float var_1_8 = 64.25; [L28] signed long int var_1_9 = -50; [L29] unsigned char var_1_13 = 1; [L30] unsigned long int var_1_14 = 3207304078; [L31] unsigned long int var_1_15 = 50; [L32] unsigned long int var_1_16 = 25; [L33] unsigned char var_1_17 = 1; [L34] unsigned char var_1_18 = 0; [L35] unsigned char var_1_19 = 0; [L36] unsigned short int var_1_20 = 1; [L37] unsigned long int var_1_21 = 50; [L38] signed char var_1_22 = -4; [L39] signed char var_1_23 = -10; [L40] unsigned long int var_1_24 = 2; [L41] unsigned long int var_1_26 = 1; [L42] double var_1_33 = 1.5; [L43] double var_1_35 = 50.5; [L44] double var_1_36 = 1.9; [L45] unsigned long int var_1_37 = 10000; [L46] unsigned char var_1_38 = 1; [L47] unsigned char var_1_39 = 0; [L48] double var_1_40 = 15.5; [L49] unsigned long int var_1_42 = 128; [L50] signed char var_1_43 = -1; [L51] signed long int last_1_var_1_9 = -50; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L182] last_1_var_1_9 = var_1_9 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L143] var_1_5 = __VERIFIER_nondet_ulong() [L144] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L144] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L145] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L145] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L146] var_1_6 = __VERIFIER_nondet_ulong() [L147] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L147] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L148] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L148] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L149] var_1_8 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L150] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L151] var_1_14 = __VERIFIER_nondet_ulong() [L152] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L152] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L153] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L153] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L154] var_1_15 = __VERIFIER_nondet_ulong() [L155] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L155] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L156] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L156] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L157] var_1_16 = __VERIFIER_nondet_ulong() [L158] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L158] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L159] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L159] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L160] var_1_17 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L161] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L162] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L162] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L163] var_1_18 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L164] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L165] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L165] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L166] var_1_20 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L167] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L168] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L168] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L169] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L169] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L170] var_1_23 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L171] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L172] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L172] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_35=101/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L173] var_1_35 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L174] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_36=19/10, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L175] var_1_36 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L176] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L177] var_1_39 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L178] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L179] CALL assume_abort_if_not(var_1_39 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L179] RET assume_abort_if_not(var_1_39 <= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=2, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L193] RET updateVariables() [L194] CALL step() [L55] var_1_24 = var_1_6 VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=1, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L56] COND FALSE !(var_1_5 != var_1_21) [L63] var_1_26 = 16u VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_33=3/2, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L65] COND TRUE \read(var_1_17) [L66] var_1_33 = (var_1_35 - var_1_36) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L68] COND FALSE !(var_1_35 >= var_1_8) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L73] COND TRUE var_1_16 < ((var_1_6 + 16u) * var_1_9) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L74] COND FALSE !(var_1_17 && (var_1_35 < var_1_36)) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=31/2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_9=-50] [L82] COND TRUE (var_1_35 <= 64.5) && var_1_18 [L83] var_1_40 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L87] COND FALSE !(var_1_20 < var_1_9) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=-1, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L90] COND TRUE \read(var_1_17) [L91] var_1_43 = ((((((((-16) < 0 ) ? -(-16) : (-16)))) > (var_1_23)) ? (((((-16) < 0 ) ? -(-16) : (-16)))) : (var_1_23))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L93] signed long int stepLocal_0 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L94] COND FALSE !(stepLocal_0 < last_1_var_1_9) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L97] var_1_21 = var_1_6 [L98] var_1_22 = var_1_23 VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L99] COND FALSE !((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L102] unsigned long int stepLocal_4 = 4256310412u - 128u; VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L103] COND FALSE !(var_1_4 >= stepLocal_4) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L106] signed long int stepLocal_3 = var_1_9; [L107] unsigned long int stepLocal_2 = (((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)); VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L108] EXPR var_1_21 ^ 4u VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=79/5, var_1_8=3, var_1_9=-50] [L108] unsigned long int stepLocal_1 = var_1_21 ^ 4u; [L109] COND FALSE !(var_1_9 <= stepLocal_2) [L118] var_1_7 = var_1_8 VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L120] COND FALSE !(var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) [L127] var_1_13 = var_1_18 VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L129] signed long int stepLocal_5 = (var_1_22 / 2) / var_1_20; VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=0, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L130] COND TRUE stepLocal_5 >= (~ 100) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=0, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L131] COND TRUE \read(var_1_13) [L132] var_1_19 = (var_1_17 && var_1_18) VAL [isInitial=1, last_1_var_1_9=-50, stepLocal_0=-50, stepLocal_1=4, stepLocal_2=50, stepLocal_3=-50, stepLocal_4=4256310284, stepLocal_5=0, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L185] EXPR (var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L185] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L185-L186] return (((((((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))) && ((var_1_4 >= (4256310412u - 128u)) ? (var_1_9 == ((signed long int) (((((var_1_22 + var_1_22) < 0 ) ? -(var_1_22 + var_1_22) : (var_1_22 + var_1_22))) + var_1_22))) : 1)) && ((var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? ((var_1_16 < var_1_9) ? (var_1_13 == ((unsigned char) var_1_17)) : (var_1_13 == ((unsigned char) var_1_17))) : (var_1_13 == ((unsigned char) var_1_18)))) && ((((var_1_22 / 2) / var_1_20) >= (~ 100)) ? (var_1_13 ? (var_1_19 == ((unsigned char) (var_1_17 && var_1_18))) : 1) : (var_1_17 ? (var_1_19 == ((unsigned char) var_1_18)) : (var_1_19 == ((unsigned char) var_1_18))))) && (var_1_21 == ((unsigned long int) var_1_6))) && (var_1_22 == ((signed char) var_1_23)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=0, var_1_22=-3, var_1_23=-3, var_1_24=0, var_1_26=16, var_1_37=10000, var_1_38=1, var_1_39=0, var_1_40=2, var_1_42=128, var_1_43=16, var_1_4=1, var_1_5=50, var_1_6=0, var_1_7=3, var_1_8=3, var_1_9=-50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.0s, OverallIterations: 11, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1674 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1665 mSDsluCounter, 3910 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2445 mSDsCounter, 334 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2079 IncrementalHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 334 mSolverCounterUnsat, 1465 mSDtfsCounter, 2079 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1891 GetRequests, 1788 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 19.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=10, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 744 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 67.7s InterpolantComputationTime, 1943 NumberOfCodeBlocks, 1943 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1770 ConstructedInterpolants, 1 QuantifiedInterpolants, 8044 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3827 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 11934/12144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 00:35:41,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/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_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/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_683e3a3b-e84f-44b0-af57-0abe571e3c70/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 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:35:42,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:35:43,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:35:43,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:35:43,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:35:43,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:35:43,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:35:43,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:35:43,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:35:43,073 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:35:43,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:35:43,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:35:43,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:35:43,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:35:43,076 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:35:43,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:35:43,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:35:43,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:35:43,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:35:43,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:35:43,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:35:43,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:35:43,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:35:43,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:35:43,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:35:43,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:35:43,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:35:43,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:35:43,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:35:43,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:35:43,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:35:43,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:35:43,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:35:43,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:35:43,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:35:43,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:35:43,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:35:43,085 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:35:43,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:35:43,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:35:43,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:35:43,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:35:43,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:35:43,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:35:43,087 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:35:43,087 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_683e3a3b-e84f-44b0-af57-0abe571e3c70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7014f5cf86bf85960587729bb0a84b56b2d8b79500e75091317911ebcbd2002f [2023-11-29 00:35:43,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:35:43,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:35:43,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:35:43,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:35:43,458 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:35:43,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-29 00:35:46,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:35:46,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:35:46,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-29 00:35:46,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data/61a8710b2/0feb7818f17e4c318f9ae2725849cf6a/FLAG478773a97 [2023-11-29 00:35:46,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/data/61a8710b2/0feb7818f17e4c318f9ae2725849cf6a [2023-11-29 00:35:46,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:35:46,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:35:46,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:35:46,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:35:46,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:35:46,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:46,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e75ca5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46, skipping insertion in model container [2023-11-29 00:35:46,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:46,604 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:35:46,788 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_683e3a3b-e84f-44b0-af57-0abe571e3c70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-29 00:35:46,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:35:46,871 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:35:46,885 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_683e3a3b-e84f-44b0-af57-0abe571e3c70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i[919,932] [2023-11-29 00:35:46,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:35:46,938 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:35:46,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46 WrapperNode [2023-11-29 00:35:46,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:35:46,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:35:46,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:35:46,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:35:46,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:46,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:46,994 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-29 00:35:46,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:35:46,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:35:46,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:35:46,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:35:47,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,030 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:35:47,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:35:47,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:35:47,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:35:47,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:35:47,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (1/1) ... [2023-11-29 00:35:47,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:35:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:35:47,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:35:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:35:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:35:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:35:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:35:47,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:35:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:35:47,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:35:47,242 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:35:47,244 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:35:48,468 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:35:48,517 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:35:48,517 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:35:48,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:35:48 BoogieIcfgContainer [2023-11-29 00:35:48,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:35:48,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:35:48,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:35:48,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:35:48,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:35:46" (1/3) ... [2023-11-29 00:35:48,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b91d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:35:48, skipping insertion in model container [2023-11-29 00:35:48,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:35:46" (2/3) ... [2023-11-29 00:35:48,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b91d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:35:48, skipping insertion in model container [2023-11-29 00:35:48,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:35:48" (3/3) ... [2023-11-29 00:35:48,538 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-61.i [2023-11-29 00:35:48,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:35:48,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:35:48,607 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:35:48,614 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;@2ec87f11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:35:48,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:35:48,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:35:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 00:35:48,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:35:48,635 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:35:48,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:35:48,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:35:48,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1704045201, now seen corresponding path program 1 times [2023-11-29 00:35:48,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:35:48,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763298407] [2023-11-29 00:35:48,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:35:48,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:35:48,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:35:48,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:35:48,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 00:35:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:35:49,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:35:49,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:35:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-29 00:35:49,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:35:49,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:35:49,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763298407] [2023-11-29 00:35:49,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763298407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:35:49,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:35:49,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:35:49,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242148067] [2023-11-29 00:35:49,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:35:49,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:35:49,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:35:49,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:35:49,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:35:49,153 INFO L87 Difference]: Start difference. First operand has 78 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:35:49,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:35:49,368 INFO L93 Difference]: Finished difference Result 153 states and 276 transitions. [2023-11-29 00:35:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:35:49,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2023-11-29 00:35:49,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:35:49,394 INFO L225 Difference]: With dead ends: 153 [2023-11-29 00:35:49,394 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 00:35:49,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:35:49,401 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:35:49,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:35:49,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 00:35:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-29 00:35:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:35:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 122 transitions. [2023-11-29 00:35:49,447 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 122 transitions. Word has length 157 [2023-11-29 00:35:49,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:35:49,447 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 122 transitions. [2023-11-29 00:35:49,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:35:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-11-29 00:35:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 00:35:49,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:35:49,452 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:35:49,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:35:49,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:35:49,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:35:49,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:35:49,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1780064307, now seen corresponding path program 1 times [2023-11-29 00:35:49,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:35:49,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385295582] [2023-11-29 00:35:49,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:35:49,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:35:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:35:49,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:35:49,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 00:35:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:35:50,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:35:50,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:35:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:35:50,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:35:50,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:35:50,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385295582] [2023-11-29 00:35:50,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385295582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:35:50,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:35:50,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:35:50,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343319049] [2023-11-29 00:35:50,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:35:50,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:35:50,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:35:50,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:35:50,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:35:50,591 INFO L87 Difference]: Start difference. First operand 76 states and 122 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:35:51,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:35:51,154 INFO L93 Difference]: Finished difference Result 226 states and 364 transitions. [2023-11-29 00:35:51,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:35:51,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2023-11-29 00:35:51,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:35:51,159 INFO L225 Difference]: With dead ends: 226 [2023-11-29 00:35:51,159 INFO L226 Difference]: Without dead ends: 151 [2023-11-29 00:35:51,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:35:51,162 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 49 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:35:51,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 212 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:35:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-29 00:35:51,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2023-11-29 00:35:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 98 states have (on average 1.4795918367346939) internal successors, (145), 98 states have internal predecessors, (145), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:35:51,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 241 transitions. [2023-11-29 00:35:51,207 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 241 transitions. Word has length 157 [2023-11-29 00:35:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:35:51,209 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 241 transitions. [2023-11-29 00:35:51,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:35:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 241 transitions. [2023-11-29 00:35:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 00:35:51,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:35:51,214 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:35:51,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/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)] Forceful destruction successful, exit code 0 [2023-11-29 00:35:51,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:35:51,421 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:35:51,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:35:51,422 INFO L85 PathProgramCache]: Analyzing trace with hash 191716405, now seen corresponding path program 1 times [2023-11-29 00:35:51,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:35:51,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538834264] [2023-11-29 00:35:51,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:35:51,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:35:51,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:35:51,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:35:51,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 00:35:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:35:51,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:35:51,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:35:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:35:52,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:35:52,329 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:35:52,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538834264] [2023-11-29 00:35:52,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538834264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:35:52,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:35:52,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:35:52,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181136723] [2023-11-29 00:35:52,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:35:52,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:35:52,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:35:52,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:35:52,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:35:52,334 INFO L87 Difference]: Start difference. First operand 149 states and 241 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:35:53,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:35:53,425 INFO L93 Difference]: Finished difference Result 315 states and 506 transitions. [2023-11-29 00:35:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:35:53,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2023-11-29 00:35:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:35:53,443 INFO L225 Difference]: With dead ends: 315 [2023-11-29 00:35:53,443 INFO L226 Difference]: Without dead ends: 167 [2023-11-29 00:35:53,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:35:53,446 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 139 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:35:53,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 388 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 00:35:53,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-29 00:35:53,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 149. [2023-11-29 00:35:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 98 states have (on average 1.469387755102041) internal successors, (144), 98 states have internal predecessors, (144), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:35:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 240 transitions. [2023-11-29 00:35:53,478 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 240 transitions. Word has length 157 [2023-11-29 00:35:53,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:35:53,479 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 240 transitions. [2023-11-29 00:35:53,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:35:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 240 transitions. [2023-11-29 00:35:53,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-29 00:35:53,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:35:53,482 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:35:53,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/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)] Forceful destruction successful, exit code 0 [2023-11-29 00:35:53,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:35:53,684 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:35:53,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:35:53,685 INFO L85 PathProgramCache]: Analyzing trace with hash -819400845, now seen corresponding path program 1 times [2023-11-29 00:35:53,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:35:53,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006457715] [2023-11-29 00:35:53,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:35:53,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:35:53,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:35:53,687 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:35:53,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 00:35:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:35:54,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:35:54,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:35:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-29 00:35:56,041 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:35:56,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:35:56,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006457715] [2023-11-29 00:35:56,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006457715] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:35:56,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1683621250] [2023-11-29 00:35:56,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:35:56,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:35:56,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:35:56,784 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:35:56,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e3a3b-e84f-44b0-af57-0abe571e3c70/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 00:35:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:35:57,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 00:35:57,973 INFO L285 TraceCheckSpWp]: Computing forward predicates...