./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.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_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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_f162070a-f896-40e8-9227-e60fefcbe9c2/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 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:56:39,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:56:39,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:56:39,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:56:39,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:56:39,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:56:39,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:56:39,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:56:39,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:56:39,421 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:56:39,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:56:39,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:56:39,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:56:39,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:56:39,424 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:56:39,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:56:39,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:56:39,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:56:39,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:56:39,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:56:39,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:56:39,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:56:39,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:56:39,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:56:39,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:56:39,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:56:39,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:56:39,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:56:39,431 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:56:39,431 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:56:39,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:56:39,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:56:39,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:56:39,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:56:39,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:56:39,433 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:56:39,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:56:39,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:56:39,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:56:39,447 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:56:39,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:56:39,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:56:39,448 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_f162070a-f896-40e8-9227-e60fefcbe9c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 [2023-11-29 00:56:39,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:56:39,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:56:39,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:56:39,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:56:39,711 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:56:39,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-29 00:56:42,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:56:42,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:56:42,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-29 00:56:42,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data/95c0a47fd/bd3cf75705cc47c9931c251cf1a64a64/FLAGceef9f3d3 [2023-11-29 00:56:42,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data/95c0a47fd/bd3cf75705cc47c9931c251cf1a64a64 [2023-11-29 00:56:42,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:56:42,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:56:42,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:56:42,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:56:42,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:56:42,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:56:42" (1/1) ... [2023-11-29 00:56:42,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7211f230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:42, skipping insertion in model container [2023-11-29 00:56:42,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:56:42" (1/1) ... [2023-11-29 00:56:42,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:56:42,973 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_f162070a-f896-40e8-9227-e60fefcbe9c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-29 00:56:43,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:56:43,059 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:56:43,073 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_f162070a-f896-40e8-9227-e60fefcbe9c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-29 00:56:43,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:56:43,127 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:56:43,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43 WrapperNode [2023-11-29 00:56:43,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:56:43,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:56:43,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:56:43,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:56:43,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,191 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-11-29 00:56:43,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:56:43,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:56:43,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:56:43,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:56:43,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,210 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,229 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:56:43,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:56:43,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:56:43,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:56:43,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:56:43,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (1/1) ... [2023-11-29 00:56:43,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:56:43,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:43,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:56:43,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:56:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:56:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:56:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:56:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:56:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:56:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:56:43,424 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:56:43,426 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:56:43,850 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:56:43,912 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:56:43,913 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:56:43,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:56:43 BoogieIcfgContainer [2023-11-29 00:56:43,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:56:43,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:56:43,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:56:43,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:56:43,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:56:42" (1/3) ... [2023-11-29 00:56:43,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e489932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:56:43, skipping insertion in model container [2023-11-29 00:56:43,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:43" (2/3) ... [2023-11-29 00:56:43,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e489932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:56:43, skipping insertion in model container [2023-11-29 00:56:43,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:56:43" (3/3) ... [2023-11-29 00:56:43,921 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-29 00:56:43,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:56:43,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:56:43,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:56:44,002 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;@31c4d5ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:56:44,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:56:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 56 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:56:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:56:44,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:44,028 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:44,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:44,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:44,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2064127786, now seen corresponding path program 1 times [2023-11-29 00:56:44,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:56:44,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509185933] [2023-11-29 00:56:44,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:44,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:56:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:44,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:56:44,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509185933] [2023-11-29 00:56:44,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 00:56:44,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606499362] [2023-11-29 00:56:44,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:44,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:44,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:44,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:56:44,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:56:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:44,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:56:44,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2023-11-29 00:56:44,557 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:56:44,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606499362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:56:44,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:56:44,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:56:44,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765333129] [2023-11-29 00:56:44,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:56:44,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:56:44,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:56:44,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:56:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:56:44,607 INFO L87 Difference]: Start difference. First operand has 89 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 56 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 00:56:44,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:56:44,658 INFO L93 Difference]: Finished difference Result 175 states and 321 transitions. [2023-11-29 00:56:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:56:44,661 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2023-11-29 00:56:44,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:56:44,671 INFO L225 Difference]: With dead ends: 175 [2023-11-29 00:56:44,671 INFO L226 Difference]: Without dead ends: 87 [2023-11-29 00:56:44,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:56:44,679 INFO L413 NwaCegarLoop]: 137 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, 137 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:56:44,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:56:44,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-29 00:56:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-29 00:56:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:56:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 140 transitions. [2023-11-29 00:56:44,734 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 140 transitions. Word has length 196 [2023-11-29 00:56:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:56:44,734 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 140 transitions. [2023-11-29 00:56:44,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 00:56:44,735 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2023-11-29 00:56:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:56:44,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:44,741 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:44,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:56:44,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:44,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:44,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:44,948 INFO L85 PathProgramCache]: Analyzing trace with hash 828125354, now seen corresponding path program 1 times [2023-11-29 00:56:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:56:44,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109473650] [2023-11-29 00:56:44,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:44,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:56:45,014 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:56:45,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576150556] [2023-11-29 00:56:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:45,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:45,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:45,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:56:45,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:56:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:45,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:56:45,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:56:45,221 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:56:45,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:56:45,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109473650] [2023-11-29 00:56:45,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:56:45,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576150556] [2023-11-29 00:56:45,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576150556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:56:45,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:56:45,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:56:45,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492556002] [2023-11-29 00:56:45,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:56:45,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:56:45,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:56:45,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:56:45,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:56:45,226 INFO L87 Difference]: Start difference. First operand 87 states and 140 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:56:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:56:45,284 INFO L93 Difference]: Finished difference Result 173 states and 279 transitions. [2023-11-29 00:56:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:56:45,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-11-29 00:56:45,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:56:45,289 INFO L225 Difference]: With dead ends: 173 [2023-11-29 00:56:45,289 INFO L226 Difference]: Without dead ends: 87 [2023-11-29 00:56:45,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:56:45,291 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:56:45,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:56:45,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-29 00:56:45,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-29 00:56:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:56:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 139 transitions. [2023-11-29 00:56:45,308 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 139 transitions. Word has length 196 [2023-11-29 00:56:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:56:45,310 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 139 transitions. [2023-11-29 00:56:45,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:56:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-11-29 00:56:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-29 00:56:45,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:45,315 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:45,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:56:45,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:45,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:45,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:45,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1863228075, now seen corresponding path program 1 times [2023-11-29 00:56:45,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:56:45,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389468617] [2023-11-29 00:56:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:45,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:56:45,576 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:56:45,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246343064] [2023-11-29 00:56:45,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:45,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:45,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:45,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:56:45,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:56:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:45,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:56:45,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:56:45,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:56:45,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:56:45,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389468617] [2023-11-29 00:56:45,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:56:45,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246343064] [2023-11-29 00:56:45,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246343064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:56:45,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:56:45,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:56:45,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891279985] [2023-11-29 00:56:45,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:56:45,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:56:45,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:56:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:56:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:56:45,815 INFO L87 Difference]: Start difference. First operand 87 states and 139 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:56:46,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:56:46,214 INFO L93 Difference]: Finished difference Result 281 states and 450 transitions. [2023-11-29 00:56:46,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:56:46,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-11-29 00:56:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:56:46,219 INFO L225 Difference]: With dead ends: 281 [2023-11-29 00:56:46,220 INFO L226 Difference]: Without dead ends: 195 [2023-11-29 00:56:46,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:56:46,222 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 171 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:56:46,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 506 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:56:46,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-29 00:56:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2023-11-29 00:56:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 125 states have (on average 1.368) internal successors, (171), 125 states have internal predecessors, (171), 62 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:56:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 295 transitions. [2023-11-29 00:56:46,254 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 295 transitions. Word has length 197 [2023-11-29 00:56:46,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:56:46,256 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 295 transitions. [2023-11-29 00:56:46,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:56:46,256 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 295 transitions. [2023-11-29 00:56:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-29 00:56:46,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:46,260 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:46,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:56:46,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:46,466 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:46,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:46,467 INFO L85 PathProgramCache]: Analyzing trace with hash -942334225, now seen corresponding path program 1 times [2023-11-29 00:56:46,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:56:46,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850605344] [2023-11-29 00:56:46,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:46,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:56:46,513 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:56:46,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655940174] [2023-11-29 00:56:46,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:46,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:46,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:46,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:56:46,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:56:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:46,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:56:46,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:56:47,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:56:47,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:56:47,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850605344] [2023-11-29 00:56:47,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:56:47,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655940174] [2023-11-29 00:56:47,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655940174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:56:47,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:56:47,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:56:47,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465600230] [2023-11-29 00:56:47,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:56:47,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:56:47,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:56:47,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:56:47,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:56:47,029 INFO L87 Difference]: Start difference. First operand 191 states and 295 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:56:47,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:56:47,421 INFO L93 Difference]: Finished difference Result 573 states and 884 transitions. [2023-11-29 00:56:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:56:47,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-11-29 00:56:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:56:47,427 INFO L225 Difference]: With dead ends: 573 [2023-11-29 00:56:47,427 INFO L226 Difference]: Without dead ends: 383 [2023-11-29 00:56:47,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:56:47,430 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 124 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:56:47,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 390 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:56:47,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-11-29 00:56:47,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2023-11-29 00:56:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 248 states have (on average 1.3629032258064515) internal successors, (338), 248 states have internal predecessors, (338), 124 states have call successors, (124), 6 states have call predecessors, (124), 6 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 00:56:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 586 transitions. [2023-11-29 00:56:47,491 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 586 transitions. Word has length 197 [2023-11-29 00:56:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:56:47,492 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 586 transitions. [2023-11-29 00:56:47,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:56:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 586 transitions. [2023-11-29 00:56:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 00:56:47,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:47,496 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:47,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:56:47,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:47,703 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:47,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:47,704 INFO L85 PathProgramCache]: Analyzing trace with hash 851452134, now seen corresponding path program 1 times [2023-11-29 00:56:47,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:56:47,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165480064] [2023-11-29 00:56:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:56:47,745 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:56:47,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555591763] [2023-11-29 00:56:47,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:47,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:47,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:47,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:56:47,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:56:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:47,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 00:56:47,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 688 proven. 69 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2023-11-29 00:56:48,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:56:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-29 00:56:49,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:56:49,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165480064] [2023-11-29 00:56:49,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:56:49,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555591763] [2023-11-29 00:56:49,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555591763] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:56:49,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:56:49,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2023-11-29 00:56:49,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789368121] [2023-11-29 00:56:49,002 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:56:49,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:56:49,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:56:49,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:56:49,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:56:49,005 INFO L87 Difference]: Start difference. First operand 379 states and 586 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-11-29 00:56:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:56:51,356 INFO L93 Difference]: Finished difference Result 1373 states and 2060 transitions. [2023-11-29 00:56:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 00:56:51,357 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 198 [2023-11-29 00:56:51,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:56:51,365 INFO L225 Difference]: With dead ends: 1373 [2023-11-29 00:56:51,365 INFO L226 Difference]: Without dead ends: 978 [2023-11-29 00:56:51,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=629, Invalid=1821, Unknown=0, NotChecked=0, Total=2450 [2023-11-29 00:56:51,369 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 978 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:56:51,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 971 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:56:51,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2023-11-29 00:56:51,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 535. [2023-11-29 00:56:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 363 states have (on average 1.3581267217630855) internal successors, (493), 366 states have internal predecessors, (493), 157 states have call successors, (157), 14 states have call predecessors, (157), 14 states have return successors, (157), 154 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-29 00:56:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 807 transitions. [2023-11-29 00:56:51,463 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 807 transitions. Word has length 198 [2023-11-29 00:56:51,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:56:51,463 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 807 transitions. [2023-11-29 00:56:51,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-11-29 00:56:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 807 transitions. [2023-11-29 00:56:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 00:56:51,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:51,467 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:51,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:56:51,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:51,668 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:51,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:51,668 INFO L85 PathProgramCache]: Analyzing trace with hash 33803684, now seen corresponding path program 1 times [2023-11-29 00:56:51,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:56:51,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934682160] [2023-11-29 00:56:51,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:51,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:56:51,701 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:56:51,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166296586] [2023-11-29 00:56:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:51,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:51,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:51,703 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:56:51,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:56:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:56:51,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:56:51,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:56:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-29 00:56:51,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:56:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-29 00:56:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:56:52,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934682160] [2023-11-29 00:56:52,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:56:52,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166296586] [2023-11-29 00:56:52,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166296586] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:56:52,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:56:52,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 00:56:52,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082209112] [2023-11-29 00:56:52,079 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:56:52,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:56:52,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:56:52,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:56:52,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:56:52,081 INFO L87 Difference]: Start difference. First operand 535 states and 807 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 00:56:52,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:56:52,429 INFO L93 Difference]: Finished difference Result 1103 states and 1643 transitions. [2023-11-29 00:56:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:56:52,430 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 198 [2023-11-29 00:56:52,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:56:52,436 INFO L225 Difference]: With dead ends: 1103 [2023-11-29 00:56:52,436 INFO L226 Difference]: Without dead ends: 569 [2023-11-29 00:56:52,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:56:52,439 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 160 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:56:52,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 231 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:56:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2023-11-29 00:56:52,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 551. [2023-11-29 00:56:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 375 states have (on average 1.3306666666666667) internal successors, (499), 378 states have internal predecessors, (499), 157 states have call successors, (157), 18 states have call predecessors, (157), 18 states have return successors, (157), 154 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-29 00:56:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 813 transitions. [2023-11-29 00:56:52,519 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 813 transitions. Word has length 198 [2023-11-29 00:56:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:56:52,520 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 813 transitions. [2023-11-29 00:56:52,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-29 00:56:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 813 transitions. [2023-11-29 00:56:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-29 00:56:52,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:56:52,524 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:52,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:56:52,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 00:56:52,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:56:52,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:56:52,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1554544218, now seen corresponding path program 1 times [2023-11-29 00:56:52,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:56:52,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432416176] [2023-11-29 00:56:52,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:52,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:56:52,758 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:56:52,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [635368361] [2023-11-29 00:56:52,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:56:52,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:52,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:52,760 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:56:52,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:56:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:56:53,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:56:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:56:53,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:56:53,263 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:56:53,264 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:56:53,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:56:53,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:56:53,468 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:56:53,471 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:56:53,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:56:53,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 00:56:53,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:56:53 BoogieIcfgContainer [2023-11-29 00:56:53,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:56:53,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:56:53,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:56:53,611 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:56:53,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:56:43" (3/4) ... [2023-11-29 00:56:53,614 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:56:53,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:56:53,616 INFO L158 Benchmark]: Toolchain (without parser) took 10846.01ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 107.5MB in the beginning and 107.9MB in the end (delta: -435.5kB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2023-11-29 00:56:53,616 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:56:53,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.39ms. Allocated memory is still 146.8MB. Free memory was 107.1MB in the beginning and 91.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 00:56:53,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.49ms. Allocated memory is still 146.8MB. Free memory was 91.9MB in the beginning and 87.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:56:53,617 INFO L158 Benchmark]: Boogie Preprocessor took 65.87ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 83.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:56:53,618 INFO L158 Benchmark]: RCFGBuilder took 654.29ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 115.1MB in the end (delta: -32.3MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2023-11-29 00:56:53,618 INFO L158 Benchmark]: TraceAbstraction took 9694.24ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 114.4MB in the beginning and 107.9MB in the end (delta: 6.4MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2023-11-29 00:56:53,618 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 232.8MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:56:53,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.39ms. Allocated memory is still 146.8MB. Free memory was 107.1MB in the beginning and 91.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.49ms. Allocated memory is still 146.8MB. Free memory was 91.9MB in the beginning and 87.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.87ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 83.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 654.29ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 115.1MB in the end (delta: -32.3MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9694.24ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 114.4MB in the beginning and 107.9MB in the end (delta: 6.4MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 232.8MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 188, overapproximation of someBinaryFLOATComparisonOperation at line 188. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L43] unsigned char var_1_28 = 1; [L44] unsigned long int var_1_33 = 10; [L45] unsigned long int var_1_35 = 2632045268; [L46] signed long int var_1_36 = 32; [L47] unsigned long int var_1_37 = 128; [L48] unsigned long int var_1_39 = 1877460848; [L49] unsigned long int var_1_40 = 1831388024; [L50] unsigned long int var_1_41 = 1967003719; [L51] unsigned char var_1_42 = 0; [L52] unsigned char var_1_46 = 0; [L53] unsigned short int var_1_49 = 0; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] FCALL updateLastVariables() [L196] CALL updateVariables() [L136] var_1_9 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L137] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L138] var_1_11 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L139] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L140] var_1_13 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L141] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L144] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L145] var_1_16 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L146] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L148] var_1_17 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L149] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L151] var_1_19 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L152] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L154] var_1_20 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L157] var_1_21 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L158] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L160] var_1_22 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L161] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L163] var_1_24 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L164] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L166] var_1_25 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L167] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L169] var_1_26 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L170] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L172] var_1_35 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L173] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L175] var_1_39 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_39 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L176] RET assume_abort_if_not(var_1_39 >= 1073741823) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L178] var_1_40 = __VERIFIER_nondet_ulong() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L179] RET assume_abort_if_not(var_1_40 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L181] var_1_41 = __VERIFIER_nondet_ulong() [L182] CALL assume_abort_if_not(var_1_41 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L182] RET assume_abort_if_not(var_1_41 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] CALL assume_abort_if_not(var_1_41 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] RET assume_abort_if_not(var_1_41 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L196] RET updateVariables() [L197] CALL step() [L57] EXPR var_1_27 | (var_1_21 + var_1_27) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L57] COND FALSE !(var_1_27 < (var_1_27 | (var_1_21 + var_1_27))) [L60] EXPR var_1_21 >> var_1_21 VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L60] COND TRUE var_1_21 >= (var_1_21 >> var_1_21) [L61] COND FALSE !(var_1_23 || (var_1_17 < var_1_21)) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L65] COND TRUE var_1_27 > (var_1_20 / var_1_35) [L66] var_1_36 = ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L68] COND TRUE 63.75f <= var_1_11 [L69] var_1_37 = ((var_1_39 + ((((var_1_40) > (var_1_41)) ? (var_1_40) : (var_1_41)))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L71] COND FALSE !(var_1_41 < ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27)))) [L74] var_1_42 = (var_1_25 || var_1_25) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L76] COND FALSE !(\read(var_1_25)) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L83] COND FALSE !((var_1_39 - ((((-50) < 0 ) ? -(-50) : (-50)))) < var_1_27) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L88] var_1_15 = (var_1_16 - var_1_17) [L89] var_1_27 = var_1_21 [L90] unsigned char stepLocal_1 = var_1_27; [L91] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L92] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L93] var_1_1 = (128 + var_1_27) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L101] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L104] unsigned char stepLocal_2 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L105] COND FALSE !(var_1_27 > stepLocal_2) [L108] var_1_10 = 9.75f VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L110] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L111] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L113] signed long int stepLocal_5 = ~ var_1_21; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L114] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L123] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L124] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L125] COND FALSE !(var_1_23 && stepLocal_4) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L128] COND TRUE 1 >= stepLocal_3 [L129] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=3221225470, var_1_39=1073741823, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 7, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1500 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1433 mSDsluCounter, 2487 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1630 mSDsCounter, 547 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1930 IncrementalHoareTripleChecker+Invalid, 2477 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 547 mSolverCounterUnsat, 857 mSDtfsCounter, 1930 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1622 GetRequests, 1554 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=551occurred in iteration=6, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 469 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1576 NumberOfCodeBlocks, 1576 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1570 ConstructedInterpolants, 0 QuantifiedInterpolants, 3533 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2736 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 14736/14880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 00:56:53,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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_f162070a-f896-40e8-9227-e60fefcbe9c2/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 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:56:55,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:56:55,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:56:55,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:56:55,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:56:55,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:56:55,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:56:55,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:56:55,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:56:55,736 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:56:55,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:56:55,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:56:55,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:56:55,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:56:55,740 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:56:55,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:56:55,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:56:55,742 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:56:55,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:56:55,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:56:55,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:56:55,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:56:55,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:56:55,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:56:55,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:56:55,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:56:55,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:56:55,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:56:55,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:56:55,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:56:55,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:56:55,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:56:55,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:56:55,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:56:55,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:56:55,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:56:55,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:56:55,751 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:56:55,751 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:56:55,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:56:55,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:56:55,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:56:55,752 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:56:55,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:56:55,753 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:56:55,753 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_f162070a-f896-40e8-9227-e60fefcbe9c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 [2023-11-29 00:56:56,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:56:56,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:56:56,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:56:56,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:56:56,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:56:56,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-29 00:56:58,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:56:59,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:56:59,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-29 00:56:59,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data/a32c4eaab/99638af3fd49423fac3e5e4c91168180/FLAG8b0e563a8 [2023-11-29 00:56:59,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/data/a32c4eaab/99638af3fd49423fac3e5e4c91168180 [2023-11-29 00:56:59,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:56:59,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:56:59,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:56:59,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:56:59,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:56:59,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f55f5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59, skipping insertion in model container [2023-11-29 00:56:59,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:56:59,349 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_f162070a-f896-40e8-9227-e60fefcbe9c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-29 00:56:59,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:56:59,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:56:59,462 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_f162070a-f896-40e8-9227-e60fefcbe9c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-29 00:56:59,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:56:59,542 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:56:59,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59 WrapperNode [2023-11-29 00:56:59,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:56:59,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:56:59,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:56:59,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:56:59,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,602 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-29 00:56:59,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:56:59,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:56:59,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:56:59,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:56:59,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,640 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:56:59,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:56:59,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:56:59,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:56:59,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:56:59,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (1/1) ... [2023-11-29 00:56:59,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:56:59,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:56:59,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:56:59,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:56:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:56:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:56:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:56:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:56:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:56:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:56:59,839 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:56:59,841 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:57:00,417 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:57:00,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:57:00,466 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:57:00,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:57:00 BoogieIcfgContainer [2023-11-29 00:57:00,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:57:00,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:57:00,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:57:00,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:57:00,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:56:59" (1/3) ... [2023-11-29 00:57:00,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ce8cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:57:00, skipping insertion in model container [2023-11-29 00:57:00,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:56:59" (2/3) ... [2023-11-29 00:57:00,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ce8cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:57:00, skipping insertion in model container [2023-11-29 00:57:00,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:57:00" (3/3) ... [2023-11-29 00:57:00,476 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-29 00:57:00,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:57:00,493 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:57:00,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:57:00,547 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;@41642ecb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:57:00,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:57:00,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:57:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:57:00,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:00,569 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:00,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:00,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:00,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1195821164, now seen corresponding path program 1 times [2023-11-29 00:57:00,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:00,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238983438] [2023-11-29 00:57:00,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:00,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:00,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:00,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:00,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 00:57:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:00,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:57:00,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2023-11-29 00:57:01,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:57:01,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:01,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238983438] [2023-11-29 00:57:01,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238983438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:57:01,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:57:01,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:57:01,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056659278] [2023-11-29 00:57:01,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:01,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:57:01,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:01,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:57:01,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:57:01,076 INFO L87 Difference]: Start difference. First operand has 86 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 00:57:01,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:01,132 INFO L93 Difference]: Finished difference Result 169 states and 309 transitions. [2023-11-29 00:57:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:57:01,136 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2023-11-29 00:57:01,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:01,144 INFO L225 Difference]: With dead ends: 169 [2023-11-29 00:57:01,144 INFO L226 Difference]: Without dead ends: 84 [2023-11-29 00:57:01,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:57:01,152 INFO L413 NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:01,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:57:01,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-29 00:57:01,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-29 00:57:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:57:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 134 transitions. [2023-11-29 00:57:01,203 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 134 transitions. Word has length 194 [2023-11-29 00:57:01,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:01,204 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 134 transitions. [2023-11-29 00:57:01,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 00:57:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2023-11-29 00:57:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:57:01,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:01,210 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:01,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:57:01,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:01,414 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:01,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:01,415 INFO L85 PathProgramCache]: Analyzing trace with hash 562444436, now seen corresponding path program 1 times [2023-11-29 00:57:01,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:01,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301782672] [2023-11-29 00:57:01,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:01,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:01,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:01,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:01,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 00:57:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:01,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:57:01,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-29 00:57:01,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:57:01,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:01,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301782672] [2023-11-29 00:57:01,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301782672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:57:01,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:57:01,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:57:01,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967219642] [2023-11-29 00:57:01,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:01,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:57:01,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:57:01,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:57:01,955 INFO L87 Difference]: Start difference. First operand 84 states and 134 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 00:57:02,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:02,624 INFO L93 Difference]: Finished difference Result 177 states and 275 transitions. [2023-11-29 00:57:02,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:57:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2023-11-29 00:57:02,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:02,630 INFO L225 Difference]: With dead ends: 177 [2023-11-29 00:57:02,631 INFO L226 Difference]: Without dead ends: 94 [2023-11-29 00:57:02,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:57:02,633 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 101 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:02,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 283 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:57:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-29 00:57:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2023-11-29 00:57:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 57 states have internal predecessors, (77), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:57:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 139 transitions. [2023-11-29 00:57:02,657 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 139 transitions. Word has length 194 [2023-11-29 00:57:02,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:02,658 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 139 transitions. [2023-11-29 00:57:02,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-29 00:57:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2023-11-29 00:57:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:57:02,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:02,664 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:02,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:02,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:02,870 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:02,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:02,871 INFO L85 PathProgramCache]: Analyzing trace with hash -458623918, now seen corresponding path program 1 times [2023-11-29 00:57:02,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:02,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884864481] [2023-11-29 00:57:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:02,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:02,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:02,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 00:57:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:03,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:57:03,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:03,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:03,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:03,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884864481] [2023-11-29 00:57:03,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884864481] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:03,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:57:03,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2023-11-29 00:57:03,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171362978] [2023-11-29 00:57:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:03,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:57:03,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:03,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:57:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:57:03,893 INFO L87 Difference]: Start difference. First operand 92 states and 139 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:04,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:04,020 INFO L93 Difference]: Finished difference Result 183 states and 277 transitions. [2023-11-29 00:57:04,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:57:04,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2023-11-29 00:57:04,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:04,025 INFO L225 Difference]: With dead ends: 183 [2023-11-29 00:57:04,026 INFO L226 Difference]: Without dead ends: 92 [2023-11-29 00:57:04,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:57:04,028 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 15 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:04,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 216 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:57:04,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-29 00:57:04,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-29 00:57:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 57 states have internal predecessors, (76), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 00:57:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions. [2023-11-29 00:57:04,046 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 194 [2023-11-29 00:57:04,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:04,047 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 138 transitions. [2023-11-29 00:57:04,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2023-11-29 00:57:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 00:57:04,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:04,051 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:04,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 00:57:04,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:04,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:04,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash 221434452, now seen corresponding path program 1 times [2023-11-29 00:57:04,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:04,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060471699] [2023-11-29 00:57:04,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:04,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:04,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:04,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:04,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 00:57:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:04,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:57:04,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:04,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:57:04,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:04,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060471699] [2023-11-29 00:57:04,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060471699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:57:04,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:57:04,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:57:04,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095149073] [2023-11-29 00:57:04,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:04,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:57:04,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:04,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:57:04,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:57:04,891 INFO L87 Difference]: Start difference. First operand 92 states and 138 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:04,962 INFO L93 Difference]: Finished difference Result 274 states and 412 transitions. [2023-11-29 00:57:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:57:04,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2023-11-29 00:57:04,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:04,967 INFO L225 Difference]: With dead ends: 274 [2023-11-29 00:57:04,967 INFO L226 Difference]: Without dead ends: 183 [2023-11-29 00:57:04,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:57:04,969 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 29 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:04,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 247 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:57:04,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-29 00:57:05,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 181. [2023-11-29 00:57:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 112 states have (on average 1.3303571428571428) internal successors, (149), 112 states have internal predecessors, (149), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:57:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 273 transitions. [2023-11-29 00:57:05,011 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 273 transitions. Word has length 194 [2023-11-29 00:57:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:05,012 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 273 transitions. [2023-11-29 00:57:05,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 273 transitions. [2023-11-29 00:57:05,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 00:57:05,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:05,016 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:05,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:05,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:05,216 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:05,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:05,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1726511050, now seen corresponding path program 1 times [2023-11-29 00:57:05,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:05,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924201746] [2023-11-29 00:57:05,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:05,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:05,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:05,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:05,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 00:57:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:05,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:57:05,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:06,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:06,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:06,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924201746] [2023-11-29 00:57:06,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924201746] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:06,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:57:06,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2023-11-29 00:57:06,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246135535] [2023-11-29 00:57:06,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:06,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:57:06,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:06,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:57:06,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:57:06,156 INFO L87 Difference]: Start difference. First operand 181 states and 273 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:06,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:06,463 INFO L93 Difference]: Finished difference Result 531 states and 801 transitions. [2023-11-29 00:57:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:57:06,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2023-11-29 00:57:06,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:06,467 INFO L225 Difference]: With dead ends: 531 [2023-11-29 00:57:06,467 INFO L226 Difference]: Without dead ends: 351 [2023-11-29 00:57:06,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:57:06,469 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 120 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:06,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 325 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:57:06,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-11-29 00:57:06,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 195. [2023-11-29 00:57:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 126 states have (on average 1.3492063492063493) internal successors, (170), 126 states have internal predecessors, (170), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:57:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 294 transitions. [2023-11-29 00:57:06,519 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 294 transitions. Word has length 195 [2023-11-29 00:57:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:06,521 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 294 transitions. [2023-11-29 00:57:06,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 294 transitions. [2023-11-29 00:57:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 00:57:06,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:06,525 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:06,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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)] Ended with exit code 0 [2023-11-29 00:57:06,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:06,730 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:06,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:06,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1726451468, now seen corresponding path program 1 times [2023-11-29 00:57:06,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:06,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445314669] [2023-11-29 00:57:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:06,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:06,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:06,732 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:06,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:06,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:57:06,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:07,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:07,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445314669] [2023-11-29 00:57:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445314669] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:07,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:57:07,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-29 00:57:07,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327542947] [2023-11-29 00:57:07,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:07,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:57:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:07,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:57:07,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:57:07,751 INFO L87 Difference]: Start difference. First operand 195 states and 294 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:08,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:08,125 INFO L93 Difference]: Finished difference Result 551 states and 828 transitions. [2023-11-29 00:57:08,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:57:08,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2023-11-29 00:57:08,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:08,129 INFO L225 Difference]: With dead ends: 551 [2023-11-29 00:57:08,129 INFO L226 Difference]: Without dead ends: 357 [2023-11-29 00:57:08,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:57:08,132 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 201 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:08,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 309 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:57:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-11-29 00:57:08,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 203. [2023-11-29 00:57:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 134 states have (on average 1.328358208955224) internal successors, (178), 134 states have internal predecessors, (178), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 00:57:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 302 transitions. [2023-11-29 00:57:08,168 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 302 transitions. Word has length 195 [2023-11-29 00:57:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:08,169 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 302 transitions. [2023-11-29 00:57:08,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 302 transitions. [2023-11-29 00:57:08,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 00:57:08,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:08,171 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:08,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:08,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:08,374 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:08,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:08,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1888397876, now seen corresponding path program 1 times [2023-11-29 00:57:08,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:08,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212461618] [2023-11-29 00:57:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:08,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:08,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:08,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:08,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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)] Waiting until timeout for monitored process [2023-11-29 00:57:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:08,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 00:57:08,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:09,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:09,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:09,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:09,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212461618] [2023-11-29 00:57:09,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212461618] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:09,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:57:09,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2023-11-29 00:57:09,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625271531] [2023-11-29 00:57:09,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:09,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:57:09,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:09,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:57:09,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:57:09,986 INFO L87 Difference]: Start difference. First operand 203 states and 302 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:10,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:10,938 INFO L93 Difference]: Finished difference Result 823 states and 1224 transitions. [2023-11-29 00:57:10,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:57:10,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2023-11-29 00:57:10,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:10,942 INFO L225 Difference]: With dead ends: 823 [2023-11-29 00:57:10,943 INFO L226 Difference]: Without dead ends: 621 [2023-11-29 00:57:10,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2023-11-29 00:57:10,944 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 325 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:10,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 542 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:57:10,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2023-11-29 00:57:10,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 337. [2023-11-29 00:57:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 240 states have (on average 1.3583333333333334) internal successors, (326), 242 states have internal predecessors, (326), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 00:57:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 502 transitions. [2023-11-29 00:57:10,992 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 502 transitions. Word has length 195 [2023-11-29 00:57:10,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:10,993 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 502 transitions. [2023-11-29 00:57:10,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 502 transitions. [2023-11-29 00:57:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-29 00:57:10,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:10,995 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:11,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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)] Ended with exit code 0 [2023-11-29 00:57:11,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:11,196 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:11,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1888457458, now seen corresponding path program 1 times [2023-11-29 00:57:11,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:11,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312138932] [2023-11-29 00:57:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:11,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:11,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:11,198 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:11,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:11,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:57:11,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:12,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:12,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:12,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312138932] [2023-11-29 00:57:12,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312138932] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:12,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:57:12,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2023-11-29 00:57:12,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674167377] [2023-11-29 00:57:12,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:12,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:57:12,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:12,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:57:12,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:57:12,537 INFO L87 Difference]: Start difference. First operand 337 states and 502 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:13,310 INFO L93 Difference]: Finished difference Result 937 states and 1395 transitions. [2023-11-29 00:57:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:57:13,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2023-11-29 00:57:13,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:13,316 INFO L225 Difference]: With dead ends: 937 [2023-11-29 00:57:13,316 INFO L226 Difference]: Without dead ends: 593 [2023-11-29 00:57:13,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:57:13,318 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 309 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:13,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 460 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:57:13,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-11-29 00:57:13,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 329. [2023-11-29 00:57:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 232 states have (on average 1.3620689655172413) internal successors, (316), 234 states have internal predecessors, (316), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 00:57:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 492 transitions. [2023-11-29 00:57:13,368 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 492 transitions. Word has length 195 [2023-11-29 00:57:13,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:13,368 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 492 transitions. [2023-11-29 00:57:13,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 492 transitions. [2023-11-29 00:57:13,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:57:13,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:13,371 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:13,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:13,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:13,571 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:13,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash -434516617, now seen corresponding path program 1 times [2023-11-29 00:57:13,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:13,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880909841] [2023-11-29 00:57:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:13,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:13,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:13,573 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:13,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 (10)] Waiting until timeout for monitored process [2023-11-29 00:57:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:13,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 00:57:13,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:14,091 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:14,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:14,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880909841] [2023-11-29 00:57:14,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880909841] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:14,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:57:14,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-29 00:57:14,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160007295] [2023-11-29 00:57:14,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:14,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:57:14,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:14,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:57:14,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:57:14,278 INFO L87 Difference]: Start difference. First operand 329 states and 492 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:14,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:14,769 INFO L93 Difference]: Finished difference Result 1035 states and 1553 transitions. [2023-11-29 00:57:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:57:14,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-11-29 00:57:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:14,775 INFO L225 Difference]: With dead ends: 1035 [2023-11-29 00:57:14,776 INFO L226 Difference]: Without dead ends: 707 [2023-11-29 00:57:14,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:57:14,778 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 219 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:14,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 451 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:57:14,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2023-11-29 00:57:14,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 367. [2023-11-29 00:57:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 270 states have (on average 1.3777777777777778) internal successors, (372), 272 states have internal predecessors, (372), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 00:57:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 548 transitions. [2023-11-29 00:57:14,840 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 548 transitions. Word has length 196 [2023-11-29 00:57:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:14,841 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 548 transitions. [2023-11-29 00:57:14,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 548 transitions. [2023-11-29 00:57:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:57:14,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:14,843 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:14,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 (10)] Ended with exit code 0 [2023-11-29 00:57:15,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:15,043 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:15,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:15,044 INFO L85 PathProgramCache]: Analyzing trace with hash -434457035, now seen corresponding path program 1 times [2023-11-29 00:57:15,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:15,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194925270] [2023-11-29 00:57:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:15,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:15,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:15,045 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:15,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:15,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:57:15,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:15,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-29 00:57:15,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:15,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194925270] [2023-11-29 00:57:15,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194925270] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:15,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:57:15,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-29 00:57:15,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898910798] [2023-11-29 00:57:15,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:57:15,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:57:15,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:57:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:57:15,901 INFO L87 Difference]: Start difference. First operand 367 states and 548 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:16,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:16,912 INFO L93 Difference]: Finished difference Result 1047 states and 1574 transitions. [2023-11-29 00:57:16,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:57:16,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-11-29 00:57:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:16,917 INFO L225 Difference]: With dead ends: 1047 [2023-11-29 00:57:16,917 INFO L226 Difference]: Without dead ends: 681 [2023-11-29 00:57:16,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:57:16,919 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 211 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:16,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 359 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:57:16,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2023-11-29 00:57:16,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 359. [2023-11-29 00:57:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 262 states have (on average 1.381679389312977) internal successors, (362), 264 states have internal predecessors, (362), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-29 00:57:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 538 transitions. [2023-11-29 00:57:16,975 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 538 transitions. Word has length 196 [2023-11-29 00:57:16,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:16,975 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 538 transitions. [2023-11-29 00:57:16,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-29 00:57:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 538 transitions. [2023-11-29 00:57:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:57:16,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:16,978 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:16,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:17,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:17,178 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:17,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash -341204679, now seen corresponding path program 1 times [2023-11-29 00:57:17,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:17,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119764142] [2023-11-29 00:57:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:17,180 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:17,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:17,181 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:17,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:17,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:57:17,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 00:57:17,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:18,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 39 proven. 51 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-29 00:57:18,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:18,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119764142] [2023-11-29 00:57:18,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119764142] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:57:18,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:57:18,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2023-11-29 00:57:18,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735702580] [2023-11-29 00:57:18,195 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:57:18,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:57:18,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:18,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:57:18,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:57:18,197 INFO L87 Difference]: Start difference. First operand 359 states and 538 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-29 00:57:20,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:20,335 INFO L93 Difference]: Finished difference Result 1055 states and 1531 transitions. [2023-11-29 00:57:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 00:57:20,336 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 196 [2023-11-29 00:57:20,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:20,341 INFO L225 Difference]: With dead ends: 1055 [2023-11-29 00:57:20,341 INFO L226 Difference]: Without dead ends: 697 [2023-11-29 00:57:20,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=333, Invalid=789, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 00:57:20,344 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 400 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:20,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 609 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 00:57:20,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2023-11-29 00:57:20,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 431. [2023-11-29 00:57:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 282 states have (on average 1.2836879432624113) internal successors, (362), 282 states have internal predecessors, (362), 124 states have call successors, (124), 24 states have call predecessors, (124), 24 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-29 00:57:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 610 transitions. [2023-11-29 00:57:20,437 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 610 transitions. Word has length 196 [2023-11-29 00:57:20,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:20,437 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 610 transitions. [2023-11-29 00:57:20,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-29 00:57:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 610 transitions. [2023-11-29 00:57:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:57:20,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:20,439 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:20,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:20,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:20,640 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:20,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:20,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1857866288, now seen corresponding path program 1 times [2023-11-29 00:57:20,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:20,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210965893] [2023-11-29 00:57:20,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:20,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:20,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:20,642 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:20,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:20,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:57:20,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1085 proven. 159 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2023-11-29 00:57:22,308 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:22,774 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:57:22,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210965893] [2023-11-29 00:57:22,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [210965893] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:57:22,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [485152235] [2023-11-29 00:57:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:22,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:57:22,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:57:22,776 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:57:22,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-29 00:57:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:23,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:57:23,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:57:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 688 proven. 69 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2023-11-29 00:57:24,135 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:57:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-29 00:57:24,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [485152235] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:57:24,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:57:24,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 8] total 23 [2023-11-29 00:57:24,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121490455] [2023-11-29 00:57:24,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:57:24,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 00:57:24,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:57:24,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 00:57:24,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2023-11-29 00:57:24,619 INFO L87 Difference]: Start difference. First operand 431 states and 610 transitions. Second operand has 23 states, 23 states have (on average 4.826086956521739) internal successors, (111), 22 states have internal predecessors, (111), 6 states have call successors, (93), 7 states have call predecessors, (93), 11 states have return successors, (93), 6 states have call predecessors, (93), 6 states have call successors, (93) [2023-11-29 00:57:31,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:57:31,312 INFO L93 Difference]: Finished difference Result 1693 states and 2380 transitions. [2023-11-29 00:57:31,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-11-29 00:57:31,312 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.826086956521739) internal successors, (111), 22 states have internal predecessors, (111), 6 states have call successors, (93), 7 states have call predecessors, (93), 11 states have return successors, (93), 6 states have call predecessors, (93), 6 states have call successors, (93) Word has length 196 [2023-11-29 00:57:31,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:57:31,320 INFO L225 Difference]: With dead ends: 1693 [2023-11-29 00:57:31,320 INFO L226 Difference]: Without dead ends: 1263 [2023-11-29 00:57:31,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 686 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2554 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1249, Invalid=5723, Unknown=0, NotChecked=0, Total=6972 [2023-11-29 00:57:31,324 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 1417 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:57:31,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 819 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 00:57:31,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2023-11-29 00:57:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 653. [2023-11-29 00:57:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 441 states have (on average 1.2993197278911566) internal successors, (573), 444 states have internal predecessors, (573), 176 states have call successors, (176), 35 states have call predecessors, (176), 35 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2023-11-29 00:57:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 925 transitions. [2023-11-29 00:57:31,465 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 925 transitions. Word has length 196 [2023-11-29 00:57:31,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:57:31,465 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 925 transitions. [2023-11-29 00:57:31,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.826086956521739) internal successors, (111), 22 states have internal predecessors, (111), 6 states have call successors, (93), 7 states have call predecessors, (93), 11 states have return successors, (93), 6 states have call predecessors, (93), 6 states have call successors, (93) [2023-11-29 00:57:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 925 transitions. [2023-11-29 00:57:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:57:31,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:57:31,468 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:57:31,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-29 00:57:31,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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)] Forceful destruction successful, exit code 0 [2023-11-29 00:57:31,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:31,869 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:57:31,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:57:31,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1040217838, now seen corresponding path program 1 times [2023-11-29 00:57:31,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:57:31,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788622535] [2023-11-29 00:57:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:57:31,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:57:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:57:31,871 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:57:31,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f162070a-f896-40e8-9227-e60fefcbe9c2/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 00:57:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:57:32,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 00:57:32,107 INFO L285 TraceCheckSpWp]: Computing forward predicates...