./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:50:02,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:50:02,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:50:02,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:50:02,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:50:02,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:50:02,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:50:02,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:50:02,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:50:02,105 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:50:02,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:50:02,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:50:02,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:50:02,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:50:02,108 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:50:02,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:50:02,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:50:02,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:50:02,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:50:02,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:50:02,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:50:02,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:50:02,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:50:02,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:50:02,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:50:02,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:50:02,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:50:02,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:50:02,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:50:02,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:50:02,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:50:02,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:02,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:50:02,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:50:02,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:50:02,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:50:02,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:50:02,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:50:02,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:50:02,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:50:02,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:50:02,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:50:02,121 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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d [2023-11-29 06:50:02,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:50:02,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:50:02,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:50:02,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:50:02,373 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:50:02,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-29 06:50:05,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:50:05,346 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:50:05,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-29 06:50:05,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data/4bda8339b/102333d60da141308f4da6dde773e8bb/FLAGfe083d4d4 [2023-11-29 06:50:05,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data/4bda8339b/102333d60da141308f4da6dde773e8bb [2023-11-29 06:50:05,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:50:05,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:50:05,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:05,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:50:05,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:50:05,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555c9779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05, skipping insertion in model container [2023-11-29 06:50:05,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:50:05,525 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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-29 06:50:05,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:05,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:50:05,604 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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-29 06:50:05,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:05,655 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:50:05,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05 WrapperNode [2023-11-29 06:50:05,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:05,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:05,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:50:05,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:50:05,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,709 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-29 06:50:05,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:05,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:50:05,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:50:05,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:50:05,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,740 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:50:05,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:50:05,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:50:05,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:50:05,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:50:05,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (1/1) ... [2023-11-29 06:50:05,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:05,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:05,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:50:05,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:50:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:50:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:50:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:50:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:50:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:50:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:50:05,925 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:50:05,928 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:50:06,254 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:50:06,322 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:50:06,322 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:50:06,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:06 BoogieIcfgContainer [2023-11-29 06:50:06,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:50:06,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:50:06,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:50:06,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:50:06,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:50:05" (1/3) ... [2023-11-29 06:50:06,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4d97b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:06, skipping insertion in model container [2023-11-29 06:50:06,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:05" (2/3) ... [2023-11-29 06:50:06,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4d97b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:06, skipping insertion in model container [2023-11-29 06:50:06,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:06" (3/3) ... [2023-11-29 06:50:06,331 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-29 06:50:06,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:50:06,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:50:06,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:50:06,424 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;@7ad9d192, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:50:06,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:50:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.56) internal successors, (78), 51 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 06:50:06,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 06:50:06,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:06,445 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:06,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:06,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:06,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1146939077, now seen corresponding path program 1 times [2023-11-29 06:50:06,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:06,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272753779] [2023-11-29 06:50:06,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:06,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:06,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:06,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272753779] [2023-11-29 06:50:06,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:50:06,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188274487] [2023-11-29 06:50:06,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:06,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:06,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:06,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:50:06,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:50:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:06,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:50:06,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-29 06:50:06,917 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:06,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188274487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:06,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:06,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:50:06,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700402274] [2023-11-29 06:50:06,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:06,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:50:06,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:06,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:50:06,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:50:06,960 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.56) internal successors, (78), 51 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 06:50:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:07,005 INFO L93 Difference]: Finished difference Result 159 states and 294 transitions. [2023-11-29 06:50:07,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:50:07,008 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2023-11-29 06:50:07,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:07,017 INFO L225 Difference]: With dead ends: 159 [2023-11-29 06:50:07,017 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 06:50:07,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:50:07,025 INFO L413 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:07,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:50:07,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 06:50:07,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-29 06:50:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 49 states have (on average 1.489795918367347) internal successors, (73), 49 states have internal predecessors, (73), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 06:50:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 129 transitions. [2023-11-29 06:50:07,077 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 129 transitions. Word has length 173 [2023-11-29 06:50:07,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:07,078 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 129 transitions. [2023-11-29 06:50:07,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 06:50:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2023-11-29 06:50:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 06:50:07,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:07,083 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:07,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:50:07,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 06:50:07,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:07,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:07,289 INFO L85 PathProgramCache]: Analyzing trace with hash 770781953, now seen corresponding path program 1 times [2023-11-29 06:50:07,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:07,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550432456] [2023-11-29 06:50:07,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:07,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:07,358 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:50:07,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29378833] [2023-11-29 06:50:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:07,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:07,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:07,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:50:07,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:50:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:07,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:50:07,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 06:50:07,597 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:07,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:07,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550432456] [2023-11-29 06:50:07,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:50:07,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29378833] [2023-11-29 06:50:07,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29378833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:07,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:07,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:50:07,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206631868] [2023-11-29 06:50:07,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:07,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:07,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:07,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:07,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:07,602 INFO L87 Difference]: Start difference. First operand 79 states and 129 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:07,678 INFO L93 Difference]: Finished difference Result 178 states and 287 transitions. [2023-11-29 06:50:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:07,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2023-11-29 06:50:07,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:07,682 INFO L225 Difference]: With dead ends: 178 [2023-11-29 06:50:07,682 INFO L226 Difference]: Without dead ends: 100 [2023-11-29 06:50:07,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:07,685 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 29 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:07,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 233 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:50:07,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-29 06:50:07,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2023-11-29 06:50:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 64 states have (on average 1.453125) internal successors, (93), 65 states have internal predecessors, (93), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:50:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 153 transitions. [2023-11-29 06:50:07,707 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 153 transitions. Word has length 173 [2023-11-29 06:50:07,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:07,708 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 153 transitions. [2023-11-29 06:50:07,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2023-11-29 06:50:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:50:07,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:07,713 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:07,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:50:07,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 06:50:07,918 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:07,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:07,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1929860491, now seen corresponding path program 1 times [2023-11-29 06:50:07,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:07,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363634888] [2023-11-29 06:50:07,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:07,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:07,975 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:50:07,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559593711] [2023-11-29 06:50:07,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:07,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:07,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:07,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:50:07,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:50:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:08,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:50:08,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 768 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2023-11-29 06:50:08,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:08,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:08,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363634888] [2023-11-29 06:50:08,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:50:08,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559593711] [2023-11-29 06:50:08,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559593711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:08,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:08,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:50:08,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280691063] [2023-11-29 06:50:08,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:08,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:08,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:08,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:08,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:08,276 INFO L87 Difference]: Start difference. First operand 97 states and 153 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 06:50:08,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:08,320 INFO L93 Difference]: Finished difference Result 193 states and 305 transitions. [2023-11-29 06:50:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:08,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2023-11-29 06:50:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:08,325 INFO L225 Difference]: With dead ends: 193 [2023-11-29 06:50:08,325 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 06:50:08,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:08,328 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 82 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:08,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 113 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:50:08,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 06:50:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 06:50:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 64 states have (on average 1.4375) internal successors, (92), 65 states have internal predecessors, (92), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:50:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 152 transitions. [2023-11-29 06:50:08,346 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 152 transitions. Word has length 174 [2023-11-29 06:50:08,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:08,347 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 152 transitions. [2023-11-29 06:50:08,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 06:50:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-11-29 06:50:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:50:08,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:08,351 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:08,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:50:08,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:08,557 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:08,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1120513865, now seen corresponding path program 1 times [2023-11-29 06:50:08,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:08,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750490027] [2023-11-29 06:50:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:08,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:08,604 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:50:08,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145711643] [2023-11-29 06:50:08,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:08,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:08,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:08,606 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:50:08,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:50:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:08,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:50:08,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 929 proven. 12 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-11-29 06:50:09,042 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:50:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 06:50:09,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:09,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750490027] [2023-11-29 06:50:09,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:50:09,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145711643] [2023-11-29 06:50:09,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145711643] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:50:09,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:50:09,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 06:50:09,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089910192] [2023-11-29 06:50:09,279 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:50:09,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:50:09,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:09,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:50:09,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:50:09,282 INFO L87 Difference]: Start difference. First operand 97 states and 152 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-29 06:50:09,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:09,552 INFO L93 Difference]: Finished difference Result 201 states and 310 transitions. [2023-11-29 06:50:09,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:50:09,553 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) Word has length 174 [2023-11-29 06:50:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:09,555 INFO L225 Difference]: With dead ends: 201 [2023-11-29 06:50:09,555 INFO L226 Difference]: Without dead ends: 105 [2023-11-29 06:50:09,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:50:09,557 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 143 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:09,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 198 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:50:09,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-29 06:50:09,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 101. [2023-11-29 06:50:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 68 states have internal predecessors, (94), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:50:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2023-11-29 06:50:09,576 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 174 [2023-11-29 06:50:09,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:09,577 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2023-11-29 06:50:09,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-29 06:50:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2023-11-29 06:50:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:50:09,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:09,581 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:09,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:50:09,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:09,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:09,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1724063144, now seen corresponding path program 1 times [2023-11-29 06:50:09,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:09,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664054067] [2023-11-29 06:50:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:09,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:09,820 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:50:09,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268252321] [2023-11-29 06:50:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:09,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:09,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:09,821 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:50:09,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:50:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:50:09,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:50:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:50:10,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:50:10,179 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:50:10,180 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:50:10,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:50:10,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:50:10,384 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 06:50:10,387 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:50:10,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:50:10 BoogieIcfgContainer [2023-11-29 06:50:10,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:50:10,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:50:10,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:50:10,521 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:50:10,521 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:06" (3/4) ... [2023-11-29 06:50:10,523 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:50:10,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:50:10,525 INFO L158 Benchmark]: Toolchain (without parser) took 5154.26ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 103.5MB in the beginning and 122.9MB in the end (delta: -19.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-11-29 06:50:10,525 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 144.7MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:50:10,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.05ms. Allocated memory is still 144.7MB. Free memory was 103.4MB in the beginning and 88.8MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 06:50:10,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.49ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 85.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:50:10,526 INFO L158 Benchmark]: Boogie Preprocessor took 55.65ms. Allocated memory is still 144.7MB. Free memory was 85.8MB in the beginning and 82.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:50:10,527 INFO L158 Benchmark]: RCFGBuilder took 556.38ms. Allocated memory is still 144.7MB. Free memory was 82.1MB in the beginning and 111.8MB in the end (delta: -29.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-29 06:50:10,527 INFO L158 Benchmark]: TraceAbstraction took 4195.30ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.1MB in the beginning and 124.0MB in the end (delta: -12.8MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2023-11-29 06:50:10,527 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 174.1MB. Free memory was 124.0MB in the beginning and 122.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:50:10,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 144.7MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.05ms. Allocated memory is still 144.7MB. Free memory was 103.4MB in the beginning and 88.8MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.49ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 85.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.65ms. Allocated memory is still 144.7MB. Free memory was 85.8MB in the beginning and 82.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 556.38ms. Allocated memory is still 144.7MB. Free memory was 82.1MB in the beginning and 111.8MB in the end (delta: -29.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4195.30ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.1MB in the beginning and 124.0MB in the end (delta: -12.8MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 174.1MB. Free memory was 124.0MB in the beginning and 122.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someBinaryArithmeticFLOAToperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; [L44] double var_1_29 = 15.86; [L45] signed short int var_1_31 = 10; [L46] float var_1_39 = 4.7; [L47] unsigned short int var_1_40 = 100; [L48] signed short int var_1_41 = 4; [L49] float var_1_45 = 31.6; [L50] unsigned short int var_1_47 = 64; [L51] double var_1_48 = 16.75; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] FCALL updateLastVariables() [L193] CALL updateVariables() [L138] var_1_6 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L139] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L140] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L140] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L141] var_1_7 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L142] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L143] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L144] var_1_9 = __VERIFIER_nondet_short() [L145] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L145] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L146] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L146] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L147] var_1_10 = __VERIFIER_nondet_short() [L148] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L148] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L149] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L149] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L150] var_1_12 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L151] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L152] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L152] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L153] var_1_13 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L154] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L155] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L155] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L156] var_1_14 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L157] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L158] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L158] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L159] var_1_15 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L161] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L161] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L162] var_1_16 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L164] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L164] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L165] var_1_17 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L166] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L167] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L167] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L168] var_1_19 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L169] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L170] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L170] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L171] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L171] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L172] var_1_22 = __VERIFIER_nondet_short() [L173] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L173] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L174] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L174] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L175] var_1_24 = __VERIFIER_nondet_float() [L176] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L176] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L177] var_1_25 = __VERIFIER_nondet_float() [L178] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L178] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L179] var_1_26 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L180] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L193] RET updateVariables() [L194] CALL step() [L55] var_1_8 = (var_1_9 - (2 + var_1_10)) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L56] COND TRUE var_1_22 != var_1_12 VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L57] COND TRUE var_1_10 <= var_1_17 [L58] var_1_23 = (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L63] COND FALSE !(var_1_25 < var_1_25) [L68] var_1_39 = 15.6f VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L70] var_1_47 = var_1_17 VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L71] COND TRUE ! ((var_1_9 - var_1_22) > var_1_12) [L72] var_1_27 = var_1_15 VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L74] COND FALSE !(var_1_23 == var_1_23) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L79] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L80] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L84] var_1_40 = var_1_15 VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L85] COND TRUE \read(var_1_7) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L86] COND TRUE \read(var_1_7) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L87] COND FALSE !(10000000 <= var_1_16) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L102] COND TRUE var_1_7 || var_1_6 [L103] var_1_45 = (10.125f + var_1_24) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L105] COND FALSE !(\read(var_1_18)) [L108] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L110] COND TRUE var_1_1 && var_1_7 [L111] var_1_31 = ((((((((var_1_17 - var_1_15)) > (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) ? ((var_1_17 - var_1_15)) : (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) < 0 ) ? -(((((var_1_17 - var_1_15)) > (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) ? ((var_1_17 - var_1_15)) : (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) : (((((var_1_17 - var_1_15)) > (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) ? ((var_1_17 - var_1_15)) : (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))))) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=128, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L121] COND TRUE \read(var_1_1) [L122] var_1_11 = (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16193, var_1_22=16382, var_1_27=63, var_1_29=793/50, var_1_31=128, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=126, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L134] var_1_29 = var_1_24 [L135] var_1_48 = var_1_25 [L194] RET step() [L195] CALL, EXPR property() [L185-L186] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16193, var_1_22=16382, var_1_24=2, var_1_25=3, var_1_27=63, var_1_29=2, var_1_31=128, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=126, var_1_48=3, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=2, var_1_13=-1, var_1_14=-1, var_1_15=63, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16193, var_1_22=16382, var_1_24=2, var_1_25=3, var_1_27=63, var_1_29=2, var_1_31=128, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=126, var_1_48=3, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 670 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 450 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 867 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1042 NumberOfCodeBlocks, 1042 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 863 ConstructedInterpolants, 0 QuantifiedInterpolants, 1457 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1650 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 7536/7560 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 06:50:10,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:50:12,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:50:12,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:50:12,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:50:12,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:50:12,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:50:12,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:50:12,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:50:12,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:50:12,563 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:50:12,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:50:12,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:50:12,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:50:12,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:50:12,565 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:50:12,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:50:12,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:50:12,567 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:50:12,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:50:12,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:50:12,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:50:12,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:50:12,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:50:12,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:50:12,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:50:12,570 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:50:12,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:50:12,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:50:12,571 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:50:12,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:50:12,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:50:12,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:50:12,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:50:12,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:12,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:50:12,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:50:12,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:50:12,573 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:50:12,574 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:50:12,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:50:12,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:50:12,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:50:12,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:50:12,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:50:12,575 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:50:12,575 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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd1b8487488da5512ee2059c0a8d89f6280a35cd4bb18d2bead4f575259869d [2023-11-29 06:50:12,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:50:12,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:50:12,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:50:12,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:50:12,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:50:12,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-29 06:50:15,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:50:15,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:50:15,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-29 06:50:15,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data/859ba51df/3a2e75a510f24feb83752c1dc61e8d4d/FLAG9800f8414 [2023-11-29 06:50:15,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/data/859ba51df/3a2e75a510f24feb83752c1dc61e8d4d [2023-11-29 06:50:15,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:50:15,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:50:15,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:15,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:50:15,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:50:15,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:15" (1/1) ... [2023-11-29 06:50:15,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9dfbd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:15, skipping insertion in model container [2023-11-29 06:50:15,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:15" (1/1) ... [2023-11-29 06:50:15,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:50:16,120 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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-29 06:50:16,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:16,193 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:50:16,206 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_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i[919,932] [2023-11-29 06:50:16,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:16,258 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:50:16,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16 WrapperNode [2023-11-29 06:50:16,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:16,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:16,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:50:16,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:50:16,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,312 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-29 06:50:16,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:16,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:50:16,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:50:16,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:50:16,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,345 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:50:16,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:50:16,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:50:16,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:50:16,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:50:16,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (1/1) ... [2023-11-29 06:50:16,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:16,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:16,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:50:16,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:50:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:50:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:50:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:50:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:50:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:50:16,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:50:16,542 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:50:16,544 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:50:18,955 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:50:19,009 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:50:19,009 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:50:19,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:19 BoogieIcfgContainer [2023-11-29 06:50:19,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:50:19,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:50:19,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:50:19,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:50:19,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:50:15" (1/3) ... [2023-11-29 06:50:19,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40cf9434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:19, skipping insertion in model container [2023-11-29 06:50:19,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:16" (2/3) ... [2023-11-29 06:50:19,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40cf9434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:19, skipping insertion in model container [2023-11-29 06:50:19,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:19" (3/3) ... [2023-11-29 06:50:19,019 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-29.i [2023-11-29 06:50:19,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:50:19,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:50:19,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:50:19,098 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;@549fe5d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:50:19,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:50:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 06:50:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 06:50:19,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:19,120 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:19,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:19,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1800076, now seen corresponding path program 1 times [2023-11-29 06:50:19,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:50:19,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169656619] [2023-11-29 06:50:19,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:19,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:19,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:50:19,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:50:19,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 06:50:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:19,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:50:19,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:19,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-29 06:50:19,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:19,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:50:19,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169656619] [2023-11-29 06:50:19,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169656619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:19,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:19,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:50:19,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145642810] [2023-11-29 06:50:19,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:19,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:50:19,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:50:19,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:50:19,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:50:19,721 INFO L87 Difference]: Start difference. First operand has 79 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 06:50:21,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:50:21,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:21,210 INFO L93 Difference]: Finished difference Result 154 states and 284 transitions. [2023-11-29 06:50:21,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:50:21,238 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2023-11-29 06:50:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:21,245 INFO L225 Difference]: With dead ends: 154 [2023-11-29 06:50:21,245 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 06:50:21,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:50:21,250 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:21,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 06:50:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 06:50:21,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-29 06:50:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 06:50:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 121 transitions. [2023-11-29 06:50:21,288 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 121 transitions. Word has length 173 [2023-11-29 06:50:21,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:21,288 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 121 transitions. [2023-11-29 06:50:21,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 06:50:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2023-11-29 06:50:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 06:50:21,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:21,297 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:21,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:50:21,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:21,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:21,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:21,499 INFO L85 PathProgramCache]: Analyzing trace with hash -377957200, now seen corresponding path program 1 times [2023-11-29 06:50:21,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:50:21,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880787935] [2023-11-29 06:50:21,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:21,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:21,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:50:21,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:50:21,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 06:50:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:21,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:50:21,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 06:50:22,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:50:22,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:50:22,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880787935] [2023-11-29 06:50:22,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880787935] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:50:22,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [547579273] [2023-11-29 06:50:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:22,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:50:22,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:50:22,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:50:22,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 06:50:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:22,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:50:22,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 06:50:22,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:22,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [547579273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:22,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:50:22,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 06:50:22,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269774212] [2023-11-29 06:50:22,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:22,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:22,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:50:22,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:22,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:22,736 INFO L87 Difference]: Start difference. First operand 76 states and 121 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:24,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:50:26,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:50:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:26,145 INFO L93 Difference]: Finished difference Result 172 states and 271 transitions. [2023-11-29 06:50:26,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:26,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2023-11-29 06:50:26,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:26,150 INFO L225 Difference]: With dead ends: 172 [2023-11-29 06:50:26,150 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 06:50:26,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:26,153 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 28 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:26,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 217 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 06:50:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 06:50:26,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2023-11-29 06:50:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 62 states have internal predecessors, (87), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 06:50:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2023-11-29 06:50:26,173 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 173 [2023-11-29 06:50:26,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:26,175 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2023-11-29 06:50:26,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2023-11-29 06:50:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:50:26,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:26,179 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:26,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 06:50:26,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 06:50:26,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:26,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:26,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash -716921746, now seen corresponding path program 1 times [2023-11-29 06:50:26,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:50:26,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867210084] [2023-11-29 06:50:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:26,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:26,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:50:26,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:50:26,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 06:50:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:27,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:50:27,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 06:50:27,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:50:27,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:50:27,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867210084] [2023-11-29 06:50:27,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867210084] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:50:27,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [920809222] [2023-11-29 06:50:27,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:27,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:50:27,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:50:27,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:50:27,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 06:50:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:27,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:50:27,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 06:50:28,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:28,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [920809222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:28,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:50:28,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-29 06:50:28,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730251774] [2023-11-29 06:50:28,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:28,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:28,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:50:28,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:28,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:28,313 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:29,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:50:29,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:29,855 INFO L93 Difference]: Finished difference Result 280 states and 439 transitions. [2023-11-29 06:50:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:29,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 174 [2023-11-29 06:50:29,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:29,861 INFO L225 Difference]: With dead ends: 280 [2023-11-29 06:50:29,861 INFO L226 Difference]: Without dead ends: 187 [2023-11-29 06:50:29,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:29,863 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 32 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:29,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 232 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 06:50:29,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-29 06:50:29,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2023-11-29 06:50:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 120 states have (on average 1.4166666666666667) internal successors, (170), 122 states have internal predecessors, (170), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 06:50:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 290 transitions. [2023-11-29 06:50:29,905 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 290 transitions. Word has length 174 [2023-11-29 06:50:29,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:29,906 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 290 transitions. [2023-11-29 06:50:29,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 290 transitions. [2023-11-29 06:50:29,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:50:29,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:29,910 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:29,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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)] Ended with exit code 0 [2023-11-29 06:50:30,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-29 06:50:30,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:50:30,314 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:30,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:30,314 INFO L85 PathProgramCache]: Analyzing trace with hash -659663444, now seen corresponding path program 1 times [2023-11-29 06:50:30,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:50:30,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160701912] [2023-11-29 06:50:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:30,316 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:30,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:50:30,317 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:50:30,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (7)] Waiting until timeout for monitored process [2023-11-29 06:50:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:30,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:50:30,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 06:50:30,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:50:30,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:50:30,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160701912] [2023-11-29 06:50:30,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160701912] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:50:30,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1166655634] [2023-11-29 06:50:30,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:30,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:50:30,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:50:30,899 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:50:30,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 06:50:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:31,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:50:31,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 06:50:32,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:32,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1166655634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:32,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:50:32,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 06:50:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093193408] [2023-11-29 06:50:32,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:32,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:32,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:50:32,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:32,049 INFO L87 Difference]: Start difference. First operand 185 states and 290 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:35,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:50:35,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:35,339 INFO L93 Difference]: Finished difference Result 551 states and 864 transitions. [2023-11-29 06:50:35,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:35,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 174 [2023-11-29 06:50:35,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:35,345 INFO L225 Difference]: With dead ends: 551 [2023-11-29 06:50:35,345 INFO L226 Difference]: Without dead ends: 367 [2023-11-29 06:50:35,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:35,348 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 112 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:35,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 307 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 06:50:35,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-11-29 06:50:35,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2023-11-29 06:50:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 236 states have (on average 1.38135593220339) internal successors, (326), 240 states have internal predecessors, (326), 120 states have call successors, (120), 8 states have call predecessors, (120), 8 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2023-11-29 06:50:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 566 transitions. [2023-11-29 06:50:35,400 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 566 transitions. Word has length 174 [2023-11-29 06:50:35,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:35,401 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 566 transitions. [2023-11-29 06:50:35,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 06:50:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 566 transitions. [2023-11-29 06:50:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 06:50:35,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:35,405 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:35,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (7)] Ended with exit code 0 [2023-11-29 06:50:35,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 06:50:35,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 06:50:35,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:35,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:35,810 INFO L85 PathProgramCache]: Analyzing trace with hash -401498006, now seen corresponding path program 1 times [2023-11-29 06:50:35,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:50:35,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749922351] [2023-11-29 06:50:35,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:50:35,812 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:50:35,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (9)] Waiting until timeout for monitored process [2023-11-29 06:50:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:36,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:50:36,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 06:50:36,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:50:36,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:50:36,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749922351] [2023-11-29 06:50:36,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749922351] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:50:36,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [765307608] [2023-11-29 06:50:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:36,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 06:50:36,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 06:50:36,374 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 06:50:36,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-29 06:50:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:37,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:50:37,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:38,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-29 06:50:38,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:50:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 06:50:38,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [765307608] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:50:38,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:50:38,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2023-11-29 06:50:38,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780257934] [2023-11-29 06:50:38,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:50:38,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:50:38,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:50:38,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:50:38,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:50:38,610 INFO L87 Difference]: Start difference. First operand 365 states and 566 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-29 06:50:48,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:50:51,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:50:57,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:57,388 INFO L93 Difference]: Finished difference Result 995 states and 1493 transitions. [2023-11-29 06:50:57,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 06:50:57,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 174 [2023-11-29 06:50:57,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:57,394 INFO L225 Difference]: With dead ends: 995 [2023-11-29 06:50:57,394 INFO L226 Difference]: Without dead ends: 631 [2023-11-29 06:50:57,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=417, Invalid=1143, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 06:50:57,397 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 440 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:57,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 519 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2023-11-29 06:50:57,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2023-11-29 06:50:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 405. [2023-11-29 06:50:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 268 states have (on average 1.328358208955224) internal successors, (356), 272 states have internal predecessors, (356), 120 states have call successors, (120), 16 states have call predecessors, (120), 16 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2023-11-29 06:50:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 596 transitions. [2023-11-29 06:50:57,466 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 596 transitions. Word has length 174 [2023-11-29 06:50:57,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:57,466 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 596 transitions. [2023-11-29 06:50:57,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-29 06:50:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 596 transitions. [2023-11-29 06:50:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:50:57,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:57,469 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:57,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-29 06:50:57,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (9)] Ended with exit code 0 [2023-11-29 06:50:57,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:57,870 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:57,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:57,871 INFO L85 PathProgramCache]: Analyzing trace with hash 327297555, now seen corresponding path program 1 times [2023-11-29 06:50:57,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:50:57,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670876961] [2023-11-29 06:50:57,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:57,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:50:57,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:50:57,872 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:50:57,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (11)] Waiting until timeout for monitored process [2023-11-29 06:50:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:58,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:50:58,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:15,096 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2023-11-29 06:51:23,834 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2023-11-29 06:51:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 06:51:39,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:39,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:51:39,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670876961] [2023-11-29 06:51:39,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670876961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:39,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:39,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:51:39,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557995779] [2023-11-29 06:51:39,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:39,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:51:39,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:51:39,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:51:39,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=89, Unknown=2, NotChecked=42, Total=182 [2023-11-29 06:51:39,663 INFO L87 Difference]: Start difference. First operand 405 states and 596 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 06:51:45,709 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (fp.neg .cse2)) (.cse1 (fp.neg .cse3))) (and (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_24~0 .cse3) (fp.geq c_~var_1_24~0 .cse2)) (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse7 (fp.neg .cse4)) (.cse6 (fp.neg .cse5))) (let ((.cse8 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse7) (fp.geq ~var_1_26~0 .cse6))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse5))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse4) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse7) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse5))) (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse6) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse5))) (fp.leq ~var_1_25~0 .cse5))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) .cse8)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (fp.leq ~var_1_25~0 .cse7) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (fp.geq ~var_1_26~0 .cse4) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse6) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse4) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse7) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse4) (fp.leq ~var_1_24~0 .cse5))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse5))) .cse8)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (fp.geq ~var_1_26~0 .cse4) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse4) (fp.leq ~var_1_24~0 .cse5))) (fp.leq ~var_1_25~0 .cse7))))))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-11-29 06:51:49,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:51,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:52,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:52,066 INFO L93 Difference]: Finished difference Result 1041 states and 1520 transitions. [2023-11-29 06:51:52,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:51:52,067 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 175 [2023-11-29 06:51:52,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:52,072 INFO L225 Difference]: With dead ends: 1041 [2023-11-29 06:51:52,073 INFO L226 Difference]: Without dead ends: 637 [2023-11-29 06:51:52,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=113, Invalid=202, Unknown=3, NotChecked=102, Total=420 [2023-11-29 06:51:52,076 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 151 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 556 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:52,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 674 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 366 Invalid, 0 Unknown, 556 Unchecked, 7.6s Time] [2023-11-29 06:51:52,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-11-29 06:51:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 625. [2023-11-29 06:51:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 416 states have (on average 1.3269230769230769) internal successors, (552), 422 states have internal predecessors, (552), 180 states have call successors, (180), 28 states have call predecessors, (180), 28 states have return successors, (180), 174 states have call predecessors, (180), 180 states have call successors, (180) [2023-11-29 06:51:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 912 transitions. [2023-11-29 06:51:52,178 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 912 transitions. Word has length 175 [2023-11-29 06:51:52,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:52,178 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 912 transitions. [2023-11-29 06:51:52,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 06:51:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 912 transitions. [2023-11-29 06:51:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 06:51:52,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:52,182 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:51:52,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (11)] Ended with exit code 0 [2023-11-29 06:51:52,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:51:52,383 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:52,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:52,384 INFO L85 PathProgramCache]: Analyzing trace with hash -683819695, now seen corresponding path program 1 times [2023-11-29 06:51:52,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:51:52,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998015775] [2023-11-29 06:51:52,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:52,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:51:52,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:51:52,385 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:51:52,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (12)] Waiting until timeout for monitored process [2023-11-29 06:51:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:52,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:51:52,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:52:08,460 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2023-11-29 06:52:18,212 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2023-11-29 06:52:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 06:52:33,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:52:33,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:52:33,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998015775] [2023-11-29 06:52:33,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998015775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:33,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:33,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:52:33,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144186285] [2023-11-29 06:52:33,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:33,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:52:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:52:33,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:52:33,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=89, Unknown=2, NotChecked=42, Total=182 [2023-11-29 06:52:33,673 INFO L87 Difference]: Start difference. First operand 625 states and 912 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 06:53:36,469 WARN L293 SmtUtils]: Spent 39.05s on a formula simplification. DAG size of input: 110 DAG size of output: 235 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:54:33,378 WARN L293 SmtUtils]: Spent 28.36s on a formula simplification. DAG size of input: 102 DAG size of output: 212 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:54:37,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:54:41,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:54:45,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:54:49,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:54:53,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:54:57,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:55:01,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:55:05,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:06,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:06,112 INFO L93 Difference]: Finished difference Result 1087 states and 1559 transitions. [2023-11-29 06:55:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:55:06,150 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 175 [2023-11-29 06:55:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:06,155 INFO L225 Difference]: With dead ends: 1087 [2023-11-29 06:55:06,155 INFO L226 Difference]: Without dead ends: 683 [2023-11-29 06:55:06,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 127.5s TimeCoverageRelationStatistics Valid=123, Invalid=252, Unknown=13, NotChecked=74, Total=462 [2023-11-29 06:55:06,158 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 101 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 10 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 268 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:06,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 243 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 260 Invalid, 7 Unknown, 268 Unchecked, 35.2s Time] [2023-11-29 06:55:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-11-29 06:55:06,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 651. [2023-11-29 06:55:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 434 states have (on average 1.3087557603686637) internal successors, (568), 440 states have internal predecessors, (568), 180 states have call successors, (180), 36 states have call predecessors, (180), 36 states have return successors, (180), 174 states have call predecessors, (180), 180 states have call successors, (180) [2023-11-29 06:55:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 928 transitions. [2023-11-29 06:55:06,264 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 928 transitions. Word has length 175 [2023-11-29 06:55:06,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:06,265 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 928 transitions. [2023-11-29 06:55:06,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 06:55:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 928 transitions. [2023-11-29 06:55:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 06:55:06,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:06,267 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:06,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (12)] Ended with exit code 0 [2023-11-29 06:55:06,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:06,468 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:06,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash 914766925, now seen corresponding path program 1 times [2023-11-29 06:55:06,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:06,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685703463] [2023-11-29 06:55:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:06,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:06,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:06,470 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:55:06,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (13)] Waiting until timeout for monitored process [2023-11-29 06:55:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:07,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:55:07,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 133 proven. 78 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2023-11-29 06:55:07,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:55:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 06:55:08,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:55:08,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685703463] [2023-11-29 06:55:08,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685703463] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:55:08,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:55:08,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 06:55:08,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182584855] [2023-11-29 06:55:08,237 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:55:08,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:55:08,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:55:08,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:55:08,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:55:08,238 INFO L87 Difference]: Start difference. First operand 651 states and 928 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-29 06:55:11,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:11,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:11,790 INFO L93 Difference]: Finished difference Result 1703 states and 2373 transitions. [2023-11-29 06:55:11,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:55:11,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 176 [2023-11-29 06:55:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:11,797 INFO L225 Difference]: With dead ends: 1703 [2023-11-29 06:55:11,797 INFO L226 Difference]: Without dead ends: 1053 [2023-11-29 06:55:11,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:55:11,801 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 170 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:11,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 286 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 06:55:11,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2023-11-29 06:55:11,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 615. [2023-11-29 06:55:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 410 states have (on average 1.2902439024390244) internal successors, (529), 410 states have internal predecessors, (529), 168 states have call successors, (168), 36 states have call predecessors, (168), 36 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2023-11-29 06:55:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 865 transitions. [2023-11-29 06:55:11,928 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 865 transitions. Word has length 176 [2023-11-29 06:55:11,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:11,929 INFO L495 AbstractCegarLoop]: Abstraction has 615 states and 865 transitions. [2023-11-29 06:55:11,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-29 06:55:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 865 transitions. [2023-11-29 06:55:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 06:55:11,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:11,931 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:11,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (13)] Ended with exit code 0 [2023-11-29 06:55:12,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:12,134 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:12,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash 972025227, now seen corresponding path program 1 times [2023-11-29 06:55:12,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:12,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873113140] [2023-11-29 06:55:12,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:12,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:12,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:12,136 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:55:12,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (14)] Waiting until timeout for monitored process [2023-11-29 06:55:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:12,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:55:12,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 258 proven. 144 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2023-11-29 06:55:13,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:55:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 06:55:14,366 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:55:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873113140] [2023-11-29 06:55:14,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873113140] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:55:14,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:55:14,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2023-11-29 06:55:14,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170985576] [2023-11-29 06:55:14,366 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:55:14,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:55:14,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:55:14,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:55:14,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:55:14,368 INFO L87 Difference]: Start difference. First operand 615 states and 865 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-29 06:55:16,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:19,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:20,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:20,033 INFO L93 Difference]: Finished difference Result 1253 states and 1701 transitions. [2023-11-29 06:55:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 06:55:20,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 176 [2023-11-29 06:55:20,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:20,040 INFO L225 Difference]: With dead ends: 1253 [2023-11-29 06:55:20,040 INFO L226 Difference]: Without dead ends: 639 [2023-11-29 06:55:20,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 341 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650 [2023-11-29 06:55:20,042 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 190 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:20,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 363 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 06:55:20,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-29 06:55:20,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 603. [2023-11-29 06:55:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 386 states have (on average 1.1243523316062176) internal successors, (434), 386 states have internal predecessors, (434), 168 states have call successors, (168), 48 states have call predecessors, (168), 48 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2023-11-29 06:55:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 770 transitions. [2023-11-29 06:55:20,157 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 770 transitions. Word has length 176 [2023-11-29 06:55:20,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:20,158 INFO L495 AbstractCegarLoop]: Abstraction has 603 states and 770 transitions. [2023-11-29 06:55:20,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-29 06:55:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 770 transitions. [2023-11-29 06:55:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 06:55:20,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:20,160 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:20,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (14)] Ended with exit code 0 [2023-11-29 06:55:20,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:20,361 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:20,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash 385219213, now seen corresponding path program 1 times [2023-11-29 06:55:20,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:20,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307097393] [2023-11-29 06:55:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:20,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:20,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:20,363 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:55:20,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (15)] Waiting until timeout for monitored process [2023-11-29 06:55:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:55:20,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 947 proven. 81 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-29 06:55:22,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:55:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 06:55:30,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:55:30,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307097393] [2023-11-29 06:55:30,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307097393] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:55:30,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:55:30,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16 [2023-11-29 06:55:30,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41447098] [2023-11-29 06:55:30,238 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:55:30,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:55:30,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:55:30,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:55:30,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:55:30,240 INFO L87 Difference]: Start difference. First operand 603 states and 770 transitions. Second operand has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 5 states have call successors, (41), 4 states have call predecessors, (41), 7 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2023-11-29 06:55:42,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:43,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:47,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:50,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:53,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:53,548 INFO L93 Difference]: Finished difference Result 1691 states and 2103 transitions. [2023-11-29 06:55:53,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:55:53,549 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 5 states have call successors, (41), 4 states have call predecessors, (41), 7 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) Word has length 176 [2023-11-29 06:55:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:53,554 INFO L225 Difference]: With dead ends: 1691 [2023-11-29 06:55:53,554 INFO L226 Difference]: Without dead ends: 1089 [2023-11-29 06:55:53,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=312, Invalid=680, Unknown=0, NotChecked=0, Total=992 [2023-11-29 06:55:53,556 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 228 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:53,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 337 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2023-11-29 06:55:53,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-11-29 06:55:53,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 930. [2023-11-29 06:55:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 605 states have (on average 1.105785123966942) internal successors, (669), 610 states have internal predecessors, (669), 238 states have call successors, (238), 86 states have call predecessors, (238), 86 states have return successors, (238), 233 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-29 06:55:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1145 transitions. [2023-11-29 06:55:53,754 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1145 transitions. Word has length 176 [2023-11-29 06:55:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:53,754 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 1145 transitions. [2023-11-29 06:55:53,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 5 states have call successors, (41), 4 states have call predecessors, (41), 7 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2023-11-29 06:55:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1145 transitions. [2023-11-29 06:55:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 06:55:53,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:53,756 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:53,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (15)] Ended with exit code 0 [2023-11-29 06:55:53,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:53,957 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:53,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:53,957 INFO L85 PathProgramCache]: Analyzing trace with hash -894644465, now seen corresponding path program 1 times [2023-11-29 06:55:53,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:53,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953040727] [2023-11-29 06:55:53,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:53,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 06:55:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:53,959 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 06:55:53,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e8cf49-c274-4a50-ae57-ce1984a0c5fe/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 (16)] Waiting until timeout for monitored process [2023-11-29 06:55:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:54,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 06:55:54,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:15,288 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:56:41,162 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:57:07,949 WARN L293 SmtUtils]: Spent 13.17s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:57:51,519 WARN L293 SmtUtils]: Spent 20.61s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 06:58:07,227 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:58:46,635 WARN L293 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:00:51,466 WARN L293 SmtUtils]: Spent 1.10m on a formula simplification that was a NOOP. DAG size: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 07:01:21,421 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:01:34,199 WARN L293 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:01:47,338 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:01:57,511 WARN L293 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:02:16,107 WARN L293 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:02:21,417 WARN L293 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:02:49,706 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:02:58,132 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:03:03,982 WARN L293 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:03:30,957 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:04:33,409 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)