./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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_f0258208-287b-4c8e-9f77-ed055be71db3/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 c147c84511e5c0677a9069c27a4d754d19564d6e4b1f08886ba1a76b5d6b51d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:07:22,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:07:22,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:07:22,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:07:22,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:07:22,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:07:22,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:07:22,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:07:22,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:07:22,452 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:07:22,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:07:22,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:07:22,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:07:22,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:07:22,455 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:07:22,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:07:22,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:07:22,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:07:22,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:07:22,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:07:22,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:07:22,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:07:22,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:07:22,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:07:22,460 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:07:22,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:07:22,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:07:22,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:07:22,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:07:22,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:07:22,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:07:22,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:07:22,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:07:22,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:07:22,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:07:22,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:07:22,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:07:22,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:07:22,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:07:22,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:07:22,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:07:22,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:07:22,465 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_f0258208-287b-4c8e-9f77-ed055be71db3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c147c84511e5c0677a9069c27a4d754d19564d6e4b1f08886ba1a76b5d6b51d6 [2023-11-29 00:07:22,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:07:22,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:07:22,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:07:22,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:07:22,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:07:22,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i [2023-11-29 00:07:25,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:07:25,622 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:07:25,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i [2023-11-29 00:07:25,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data/987d9c31a/83e943acd7434c9fb3e29627a24b2313/FLAGcea63655a [2023-11-29 00:07:25,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data/987d9c31a/83e943acd7434c9fb3e29627a24b2313 [2023-11-29 00:07:25,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:07:25,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:07:25,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:07:25,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:07:25,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:07:25,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:25,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9bbe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25, skipping insertion in model container [2023-11-29 00:07:25,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:25,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:07:25,837 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_f0258208-287b-4c8e-9f77-ed055be71db3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i[916,929] [2023-11-29 00:07:25,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:07:25,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:07:25,934 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_f0258208-287b-4c8e-9f77-ed055be71db3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i[916,929] [2023-11-29 00:07:25,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:07:25,995 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:07:25,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25 WrapperNode [2023-11-29 00:07:25,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:07:25,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:07:25,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:07:25,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:07:26,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,054 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-29 00:07:26,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:07:26,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:07:26,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:07:26,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:07:26,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,090 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 00:07:26,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:07:26,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:07:26,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:07:26,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:07:26,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (1/1) ... [2023-11-29 00:07:26,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:07:26,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:26,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:07:26,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:07:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:07:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:07:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:07:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:07:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:07:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:07:26,265 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:07:26,267 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:07:26,632 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:07:26,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:07:26,716 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:07:26,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:07:26 BoogieIcfgContainer [2023-11-29 00:07:26,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:07:26,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:07:26,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:07:26,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:07:26,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:07:25" (1/3) ... [2023-11-29 00:07:26,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f1dea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:07:26, skipping insertion in model container [2023-11-29 00:07:26,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:25" (2/3) ... [2023-11-29 00:07:26,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f1dea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:07:26, skipping insertion in model container [2023-11-29 00:07:26,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:07:26" (3/3) ... [2023-11-29 00:07:26,725 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-25.i [2023-11-29 00:07:26,740 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:07:26,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:07:26,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:07:26,789 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;@3bfde863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:07:26,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:07:26,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 52 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:07:26,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 00:07:26,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:26,811 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:26,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:26,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:26,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1252905248, now seen corresponding path program 1 times [2023-11-29 00:07:26,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:26,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072164094] [2023-11-29 00:07:26,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:26,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:27,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:27,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072164094] [2023-11-29 00:07:27,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 00:07:27,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346738083] [2023-11-29 00:07:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:27,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:27,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:27,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:07:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:27,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:07:27,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-29 00:07:27,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:27,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346738083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:27,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:27,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:07:27,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939292377] [2023-11-29 00:07:27,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:27,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:07:27,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:27,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:07:27,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:07:27,335 INFO L87 Difference]: Start difference. First operand has 78 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 52 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:27,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:27,380 INFO L93 Difference]: Finished difference Result 153 states and 266 transitions. [2023-11-29 00:07:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:07:27,383 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2023-11-29 00:07:27,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:27,390 INFO L225 Difference]: With dead ends: 153 [2023-11-29 00:07:27,391 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 00:07:27,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 00:07:27,397 INFO L413 NwaCegarLoop]: 114 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, 114 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 00:07:27,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:07:27,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 00:07:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-29 00:07:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:07:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 117 transitions. [2023-11-29 00:07:27,441 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 117 transitions. Word has length 160 [2023-11-29 00:07:27,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:27,442 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 117 transitions. [2023-11-29 00:07:27,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2023-11-29 00:07:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 00:07:27,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:27,447 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:27,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:07:27,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 00:07:27,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:27,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1700195672, now seen corresponding path program 1 times [2023-11-29 00:07:27,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:27,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420255990] [2023-11-29 00:07:27,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:27,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:27,718 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:27,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106442944] [2023-11-29 00:07:27,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:27,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:27,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:27,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:27,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:07:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:27,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:07:27,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:07:28,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:28,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:28,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420255990] [2023-11-29 00:07:28,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:07:28,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106442944] [2023-11-29 00:07:28,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106442944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:28,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:28,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:07:28,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521620030] [2023-11-29 00:07:28,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:28,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:07:28,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:28,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:07:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:07:28,237 INFO L87 Difference]: Start difference. First operand 76 states and 117 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:28,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:28,678 INFO L93 Difference]: Finished difference Result 289 states and 444 transitions. [2023-11-29 00:07:28,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:07:28,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-29 00:07:28,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:28,684 INFO L225 Difference]: With dead ends: 289 [2023-11-29 00:07:28,684 INFO L226 Difference]: Without dead ends: 214 [2023-11-29 00:07:28,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:07:28,688 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 189 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:28,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 390 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:07:28,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-11-29 00:07:28,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 139. [2023-11-29 00:07:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:07:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 215 transitions. [2023-11-29 00:07:28,722 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 215 transitions. Word has length 160 [2023-11-29 00:07:28,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:28,723 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 215 transitions. [2023-11-29 00:07:28,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 215 transitions. [2023-11-29 00:07:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 00:07:28,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:28,727 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:28,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:07:28,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:28,932 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:28,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:28,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1183042648, now seen corresponding path program 1 times [2023-11-29 00:07:28,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:28,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126767542] [2023-11-29 00:07:28,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:28,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:28,982 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:28,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99824256] [2023-11-29 00:07:28,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:28,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:28,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:28,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:28,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:07:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:29,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:07:29,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:07:29,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:29,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:29,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126767542] [2023-11-29 00:07:29,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:07:29,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99824256] [2023-11-29 00:07:29,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99824256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:29,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:29,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:07:29,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517832876] [2023-11-29 00:07:29,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:29,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:07:29,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:29,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:07:29,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:07:29,455 INFO L87 Difference]: Start difference. First operand 139 states and 215 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:29,839 INFO L93 Difference]: Finished difference Result 289 states and 443 transitions. [2023-11-29 00:07:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:07:29,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-29 00:07:29,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:29,845 INFO L225 Difference]: With dead ends: 289 [2023-11-29 00:07:29,845 INFO L226 Difference]: Without dead ends: 214 [2023-11-29 00:07:29,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:07:29,848 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 197 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:29,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 506 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:07:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-11-29 00:07:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2023-11-29 00:07:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:07:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 216 transitions. [2023-11-29 00:07:29,877 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 216 transitions. Word has length 160 [2023-11-29 00:07:29,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:29,878 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 216 transitions. [2023-11-29 00:07:29,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2023-11-29 00:07:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 00:07:29,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:29,882 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:29,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:07:30,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:30,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:30,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:30,088 INFO L85 PathProgramCache]: Analyzing trace with hash 373696022, now seen corresponding path program 1 times [2023-11-29 00:07:30,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:30,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075501678] [2023-11-29 00:07:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:30,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:30,128 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:30,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268932090] [2023-11-29 00:07:30,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:30,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:30,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:30,130 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:30,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:07:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:30,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:07:30,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:07:30,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:30,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:30,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075501678] [2023-11-29 00:07:30,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:07:30,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268932090] [2023-11-29 00:07:30,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268932090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:30,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:30,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:07:30,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917030921] [2023-11-29 00:07:30,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:30,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:07:30,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:30,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:07:30,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:07:30,326 INFO L87 Difference]: Start difference. First operand 140 states and 216 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:30,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:30,369 INFO L93 Difference]: Finished difference Result 264 states and 405 transitions. [2023-11-29 00:07:30,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:07:30,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-29 00:07:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:30,375 INFO L225 Difference]: With dead ends: 264 [2023-11-29 00:07:30,375 INFO L226 Difference]: Without dead ends: 186 [2023-11-29 00:07:30,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 00:07:30,377 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 32 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:30,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 221 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:07:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-29 00:07:30,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 179. [2023-11-29 00:07:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 128 states have (on average 1.3984375) internal successors, (179), 128 states have internal predecessors, (179), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:07:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2023-11-29 00:07:30,405 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 160 [2023-11-29 00:07:30,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:30,406 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2023-11-29 00:07:30,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2023-11-29 00:07:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:07:30,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:30,408 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:30,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:07:30,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:30,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:30,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:30,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1079956655, now seen corresponding path program 1 times [2023-11-29 00:07:30,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:30,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712575] [2023-11-29 00:07:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:30,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:30,650 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:30,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924247179] [2023-11-29 00:07:30,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:30,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:30,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:30,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:07:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:30,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:07:30,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:07:30,851 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:30,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:30,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712575] [2023-11-29 00:07:30,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:07:30,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924247179] [2023-11-29 00:07:30,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924247179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:30,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:30,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:07:30,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003075112] [2023-11-29 00:07:30,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:30,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:07:30,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:30,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:07:30,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:07:30,855 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:30,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:30,919 INFO L93 Difference]: Finished difference Result 380 states and 579 transitions. [2023-11-29 00:07:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:07:30,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:07:30,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:30,923 INFO L225 Difference]: With dead ends: 380 [2023-11-29 00:07:30,923 INFO L226 Difference]: Without dead ends: 254 [2023-11-29 00:07:30,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:07:30,925 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 42 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:30,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 364 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:07:30,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-11-29 00:07:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 240. [2023-11-29 00:07:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 186 states have internal predecessors, (260), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:07:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 360 transitions. [2023-11-29 00:07:30,949 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 360 transitions. Word has length 161 [2023-11-29 00:07:30,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:30,950 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 360 transitions. [2023-11-29 00:07:30,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 360 transitions. [2023-11-29 00:07:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:07:30,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:30,953 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:30,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:07:31,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:31,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:31,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1819650291, now seen corresponding path program 1 times [2023-11-29 00:07:31,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:31,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559859968] [2023-11-29 00:07:31,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:31,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:31,191 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:31,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010290261] [2023-11-29 00:07:31,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:31,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:31,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:31,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:31,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:07:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:31,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 00:07:31,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-29 00:07:32,667 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:32,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:32,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559859968] [2023-11-29 00:07:32,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:07:32,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010290261] [2023-11-29 00:07:32,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010290261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:32,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:32,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 00:07:32,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035877706] [2023-11-29 00:07:32,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:32,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:07:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:32,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:07:32,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:07:32,670 INFO L87 Difference]: Start difference. First operand 240 states and 360 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:33,233 INFO L93 Difference]: Finished difference Result 504 states and 751 transitions. [2023-11-29 00:07:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:07:33,235 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-11-29 00:07:33,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:33,239 INFO L225 Difference]: With dead ends: 504 [2023-11-29 00:07:33,239 INFO L226 Difference]: Without dead ends: 365 [2023-11-29 00:07:33,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:07:33,241 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 327 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:33,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 574 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:07:33,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-11-29 00:07:33,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 249. [2023-11-29 00:07:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 194 states have (on average 1.3969072164948453) internal successors, (271), 195 states have internal predecessors, (271), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:07:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 371 transitions. [2023-11-29 00:07:33,272 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 371 transitions. Word has length 161 [2023-11-29 00:07:33,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:33,273 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 371 transitions. [2023-11-29 00:07:33,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 371 transitions. [2023-11-29 00:07:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:07:33,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:33,276 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:33,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:07:33,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:33,481 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:33,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:33,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1302497267, now seen corresponding path program 1 times [2023-11-29 00:07:33,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:33,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293683794] [2023-11-29 00:07:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:33,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:33,513 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:33,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119511981] [2023-11-29 00:07:33,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:33,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:33,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:33,515 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:33,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:07:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:33,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 00:07:33,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-29 00:07:34,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:34,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:34,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293683794] [2023-11-29 00:07:34,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:07:34,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119511981] [2023-11-29 00:07:34,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119511981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:34,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:34,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 00:07:34,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555723355] [2023-11-29 00:07:34,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:34,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:07:34,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:34,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:07:34,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:07:34,789 INFO L87 Difference]: Start difference. First operand 249 states and 371 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:35,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:35,445 INFO L93 Difference]: Finished difference Result 504 states and 749 transitions. [2023-11-29 00:07:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:07:35,446 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-11-29 00:07:35,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:35,449 INFO L225 Difference]: With dead ends: 504 [2023-11-29 00:07:35,449 INFO L226 Difference]: Without dead ends: 365 [2023-11-29 00:07:35,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:07:35,451 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 270 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:35,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 733 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:07:35,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-11-29 00:07:35,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 251. [2023-11-29 00:07:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 196 states have (on average 1.3928571428571428) internal successors, (273), 197 states have internal predecessors, (273), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:07:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 373 transitions. [2023-11-29 00:07:35,474 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 373 transitions. Word has length 161 [2023-11-29 00:07:35,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:35,475 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 373 transitions. [2023-11-29 00:07:35,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 373 transitions. [2023-11-29 00:07:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:07:35,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:35,477 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:35,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 00:07:35,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:35,678 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:35,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:35,678 INFO L85 PathProgramCache]: Analyzing trace with hash 493150641, now seen corresponding path program 1 times [2023-11-29 00:07:35,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:35,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799814453] [2023-11-29 00:07:35,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:35,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:35,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:35,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425172583] [2023-11-29 00:07:35,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:35,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:35,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:35,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:35,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:07:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:35,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 00:07:35,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:07:37,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:37,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:37,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799814453] [2023-11-29 00:07:37,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:07:37,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425172583] [2023-11-29 00:07:37,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425172583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:37,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:37,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 00:07:37,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170390378] [2023-11-29 00:07:37,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:37,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:07:37,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:37,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:07:37,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:07:37,345 INFO L87 Difference]: Start difference. First operand 251 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:38,430 INFO L93 Difference]: Finished difference Result 675 states and 979 transitions. [2023-11-29 00:07:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:07:38,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:07:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:38,435 INFO L225 Difference]: With dead ends: 675 [2023-11-29 00:07:38,435 INFO L226 Difference]: Without dead ends: 536 [2023-11-29 00:07:38,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:07:38,436 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 408 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:38,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 720 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:07:38,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-11-29 00:07:38,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 283. [2023-11-29 00:07:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 228 states have (on average 1.3859649122807018) internal successors, (316), 229 states have internal predecessors, (316), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:07:38,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 416 transitions. [2023-11-29 00:07:38,470 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 416 transitions. Word has length 161 [2023-11-29 00:07:38,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:38,470 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 416 transitions. [2023-11-29 00:07:38,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:07:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 416 transitions. [2023-11-29 00:07:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:07:38,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:38,473 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:38,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 00:07:38,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 00:07:38,676 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:38,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:38,676 INFO L85 PathProgramCache]: Analyzing trace with hash 550408943, now seen corresponding path program 1 times [2023-11-29 00:07:38,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:07:38,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754185533] [2023-11-29 00:07:38,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:38,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:38,704 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:07:38,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980053991] [2023-11-29 00:07:38,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:38,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:07:38,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:38,706 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:07:38,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:07:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:07:39,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:07:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:07:39,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:07:39,356 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:07:39,357 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:07:39,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 00:07:39,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 00:07:39,563 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:39,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:07:39,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:07:39 BoogieIcfgContainer [2023-11-29 00:07:39,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:07:39,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:07:39,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:07:39,687 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:07:39,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:07:26" (3/4) ... [2023-11-29 00:07:39,690 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:07:39,691 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:07:39,691 INFO L158 Benchmark]: Toolchain (without parser) took 14039.33ms. Allocated memory was 146.8MB in the beginning and 218.1MB in the end (delta: 71.3MB). Free memory was 100.3MB in the beginning and 154.1MB in the end (delta: -53.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-29 00:07:39,691 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:07:39,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.48ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 84.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 00:07:39,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.62ms. Allocated memory is still 146.8MB. Free memory was 84.1MB in the beginning and 79.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:07:39,692 INFO L158 Benchmark]: Boogie Preprocessor took 61.91ms. Allocated memory is still 146.8MB. Free memory was 79.9MB in the beginning and 73.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:07:39,693 INFO L158 Benchmark]: RCFGBuilder took 598.32ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 73.6MB in the beginning and 145.3MB in the end (delta: -71.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-29 00:07:39,693 INFO L158 Benchmark]: TraceAbstraction took 12967.40ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 144.3MB in the beginning and 154.1MB in the end (delta: -9.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-29 00:07:39,693 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 218.1MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:07:39,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.48ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 84.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.62ms. Allocated memory is still 146.8MB. Free memory was 84.1MB in the beginning and 79.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.91ms. Allocated memory is still 146.8MB. Free memory was 79.9MB in the beginning and 73.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 598.32ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 73.6MB in the beginning and 145.3MB in the end (delta: -71.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12967.40ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 144.3MB in the beginning and 154.1MB in the end (delta: -9.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 218.1MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 193. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_4 = -256; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] double var_1_7 = 256.25; [L27] double var_1_8 = 127.8; [L28] signed short int var_1_10 = -2; [L29] signed short int var_1_11 = 5; [L30] signed short int var_1_12 = 16; [L31] unsigned long int var_1_13 = 1000000000; [L32] signed long int var_1_14 = -100000000; [L33] double var_1_16 = 50.8; [L34] double var_1_17 = 2.2; [L35] double var_1_18 = 2.675; [L36] double var_1_19 = 100.5; [L37] unsigned short int var_1_20 = 46250; [L38] double var_1_21 = 99999999999.75; [L39] double var_1_22 = 32.4; [L40] double var_1_23 = 15.25; [L41] signed short int var_1_24 = -100; [L42] signed char var_1_25 = -1; [L43] unsigned short int var_1_26 = 128; [L44] unsigned long int var_1_27 = 8; [L45] signed short int var_1_28 = -4; [L46] unsigned long int var_1_29 = 100; [L47] unsigned long int var_1_30 = 100; [L48] unsigned long int var_1_31 = 1000000000; [L49] double var_1_32 = 0.0; [L50] signed long int last_1_var_1_1 = -64; [L51] signed long int last_1_var_1_14 = -100000000; [L52] double last_1_var_1_16 = 50.8; [L53] signed short int last_1_var_1_24 = -100; [L54] signed short int last_1_var_1_28 = -4; [L55] unsigned long int last_1_var_1_29 = 100; [L56] unsigned long int last_1_var_1_30 = 100; [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_14 = var_1_14 [L186] last_1_var_1_16 = var_1_16 [L187] last_1_var_1_24 = var_1_24 [L188] last_1_var_1_28 = var_1_28 [L189] last_1_var_1_29 = var_1_29 [L190] last_1_var_1_30 = var_1_30 [L200] RET updateLastVariables() [L201] CALL updateVariables() [L143] var_1_5 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L144] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L145] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L145] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L146] var_1_6 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_7=1025/4, var_1_8=639/5] [L147] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_7=1025/4, var_1_8=639/5] [L148] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L148] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_8=639/5] [L150] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_8=639/5] [L151] var_1_8 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L152] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L153] var_1_10 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_10 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L154] RET assume_abort_if_not(var_1_10 >= -16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L155] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L155] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L156] var_1_11 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L157] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L158] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L158] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L159] var_1_12 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L160] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L161] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L161] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L162] var_1_17 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L163] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L164] var_1_18 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L165] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L166] var_1_20 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L167] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L168] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L168] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L169] var_1_21 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L170] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L171] var_1_22 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L172] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L173] var_1_23 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L174] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L175] var_1_25 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_25 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L176] RET assume_abort_if_not(var_1_25 >= -128) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L177] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L177] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L178] CALL assume_abort_if_not(var_1_25 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L178] RET assume_abort_if_not(var_1_25 != 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L179] var_1_31 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_31 >= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L180] RET assume_abort_if_not(var_1_31 >= 536870912) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L181] CALL assume_abort_if_not(var_1_31 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L181] RET assume_abort_if_not(var_1_31 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L201] RET updateVariables() [L202] CALL step() [L60] unsigned char stepLocal_2 = var_1_6; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L61] COND FALSE !(var_1_5 && stepLocal_2) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0] [L64] COND FALSE !((var_1_7 - var_1_8) > last_1_var_1_16) [L67] var_1_4 = (last_1_var_1_30 + ((((var_1_10) > (last_1_var_1_24)) ? (var_1_10) : (last_1_var_1_24)))) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L70] unsigned char stepLocal_6 = (var_1_12 / var_1_25) != (last_1_var_1_1 * 16); VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L71] COND FALSE !(stepLocal_6 && var_1_6) [L78] var_1_26 = last_1_var_1_29 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L80] signed long int stepLocal_5 = var_1_20 / var_1_25; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=20984, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=-100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L81] COND TRUE stepLocal_5 > var_1_26 [L82] var_1_24 = var_1_11 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=20984, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L84] unsigned short int stepLocal_7 = var_1_26; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L85] COND TRUE (last_1_var_1_28 + (- var_1_10)) > stepLocal_7 [L86] var_1_28 = (((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_26) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L88] signed long int stepLocal_4 = 128; [L89] signed short int stepLocal_3 = var_1_4; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=201/2, var_1_1=-64, var_1_20=62954, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L90] COND FALSE !(var_1_26 <= stepLocal_3) [L97] var_1_19 = var_1_22 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_19=2, var_1_1=-64, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0] [L99] COND TRUE (~ var_1_11) >= (~ var_1_20) [L100] var_1_32 = var_1_17 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=-64, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L102] COND FALSE !(\read(var_1_6)) [L105] var_1_14 = (((((var_1_4) > (var_1_12)) ? (var_1_4) : (var_1_12))) - (last_1_var_1_14 + var_1_26)) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=1000000000, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=-64, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L107] var_1_13 = (var_1_14 + var_1_12) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=-64, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L108] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=-64, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L113] signed long int stepLocal_1 = var_1_14; [L114] signed long int stepLocal_0 = var_1_14; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000051, stepLocal_1=100000051, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=-64, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L115] COND FALSE !(! (var_1_14 >= var_1_4)) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000051, stepLocal_1=100000051, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=-64, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L120] COND FALSE !(var_1_4 >= stepLocal_1) [L123] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000051, stepLocal_1=100000051, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=0, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L126] var_1_29 = (var_1_1 + 4u) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000051, stepLocal_1=100000051, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=0, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L127] COND FALSE !((var_1_28 + (var_1_29 + var_1_26)) < var_1_4) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000051, stepLocal_1=100000051, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=0, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L130] unsigned long int stepLocal_9 = var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12))); [L131] unsigned char stepLocal_8 = var_1_6; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000051, stepLocal_1=100000051, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, stepLocal_8=0, stepLocal_9=62803, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=0, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L132] COND FALSE !(stepLocal_8 || var_1_5) [L139] var_1_30 = ((((var_1_26) > (var_1_29)) ? (var_1_26) : (var_1_29))) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000051, stepLocal_1=100000051, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=20984, stepLocal_6=1, stepLocal_7=100, stepLocal_8=0, stepLocal_9=62803, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=0, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L202] RET step() [L203] CALL, EXPR property() [L193-L194] return (((((((((((((! (var_1_14 >= var_1_4)) ? ((256 != var_1_14) ? (var_1_1 == ((signed long int) (var_1_4 + var_1_14))) : 1) : ((var_1_4 >= var_1_14) ? (var_1_1 == ((signed long int) var_1_14)) : (var_1_1 == ((signed long int) var_1_4)))) && ((var_1_5 && var_1_6) ? (var_1_4 == ((signed short int) ((((last_1_var_1_24) < (-100)) ? (last_1_var_1_24) : (-100))))) : (((var_1_7 - var_1_8) > last_1_var_1_16) ? (var_1_4 == ((signed short int) ((((((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) > ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4))))) ? (((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) : ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4)))))))) : (var_1_4 == ((signed short int) (last_1_var_1_30 + ((((var_1_10) > (last_1_var_1_24)) ? (var_1_10) : (last_1_var_1_24))))))))) && (var_1_13 == ((unsigned long int) (var_1_14 + var_1_12)))) && (var_1_6 ? (var_1_14 == ((signed long int) (var_1_4 - last_1_var_1_14))) : (var_1_14 == ((signed long int) (((((var_1_4) > (var_1_12)) ? (var_1_4) : (var_1_12))) - (last_1_var_1_14 + var_1_26)))))) && (((var_1_28 + (var_1_29 + var_1_26)) < var_1_4) ? (var_1_16 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_26 <= var_1_4) ? (((var_1_26 / (var_1_20 - 25)) >= 128) ? (var_1_19 == ((double) (((((15.25 - var_1_21) < 0 ) ? -(15.25 - var_1_21) : (15.25 - var_1_21))) - (var_1_22 + var_1_23)))) : (var_1_19 == ((double) var_1_22))) : (var_1_19 == ((double) var_1_22)))) && (((var_1_20 / var_1_25) > var_1_26) ? (var_1_24 == ((signed short int) var_1_11)) : 1)) && ((((var_1_12 / var_1_25) != (last_1_var_1_1 * 16)) && var_1_6) ? (var_1_6 ? (var_1_26 == ((unsigned short int) var_1_12)) : (var_1_26 == ((unsigned short int) last_1_var_1_29))) : (var_1_26 == ((unsigned short int) last_1_var_1_29)))) && (var_1_5 ? (((var_1_12 * var_1_13) >= var_1_11) ? (var_1_27 == ((unsigned long int) var_1_26)) : 1) : 1)) && (((last_1_var_1_28 + (- var_1_10)) > var_1_26) ? (var_1_28 == ((signed short int) (((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_26))) : 1)) && (var_1_29 == ((unsigned long int) (var_1_1 + 4u)))) && ((var_1_6 || var_1_5) ? (((var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12)))) >= var_1_11) ? (var_1_30 == ((unsigned long int) var_1_29)) : (var_1_30 == ((unsigned long int) (((((var_1_20) > (var_1_4)) ? (var_1_20) : (var_1_4))) + ((1000000000u + var_1_31) - var_1_29))))) : (var_1_30 == ((unsigned long int) ((((var_1_26) > (var_1_29)) ? (var_1_26) : (var_1_29))))))) && (((~ var_1_11) >= (~ var_1_20)) ? (var_1_32 == ((double) var_1_17)) : 1) ; [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=0, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=151, var_1_13=100000202, var_1_14=100000051, var_1_16=254/5, var_1_17=3, var_1_19=2, var_1_1=0, var_1_20=62954, var_1_22=2, var_1_24=100, var_1_25=3, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=536870912, var_1_32=3, var_1_4=0, var_1_5=0, var_1_6=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 9, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1465 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1465 mSDsluCounter, 3622 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2375 mSDsCounter, 282 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1712 IncrementalHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 282 mSolverCounterUnsat, 1247 mSDtfsCounter, 1712 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1307 GetRequests, 1245 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=8, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 653 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1605 NumberOfCodeBlocks, 1605 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1276 ConstructedInterpolants, 0 QuantifiedInterpolants, 10256 SizeOfPredicates, 43 NumberOfNonLiveVariables, 3323 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8832/8832 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 00:07:39,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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_f0258208-287b-4c8e-9f77-ed055be71db3/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 c147c84511e5c0677a9069c27a4d754d19564d6e4b1f08886ba1a76b5d6b51d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:07:41,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:07:41,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:07:41,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:07:41,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:07:41,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:07:41,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:07:41,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:07:41,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:07:41,755 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:07:41,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:07:41,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:07:41,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:07:41,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:07:41,758 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:07:41,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:07:41,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:07:41,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:07:41,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:07:41,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:07:41,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:07:41,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:07:41,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:07:41,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:07:41,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:07:41,764 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:07:41,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:07:41,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:07:41,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:07:41,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:07:41,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:07:41,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:07:41,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:07:41,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:07:41,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:07:41,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:07:41,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:07:41,768 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:07:41,768 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:07:41,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:07:41,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:07:41,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:07:41,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:07:41,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:07:41,770 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:07:41,770 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_f0258208-287b-4c8e-9f77-ed055be71db3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c147c84511e5c0677a9069c27a4d754d19564d6e4b1f08886ba1a76b5d6b51d6 [2023-11-29 00:07:42,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:07:42,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:07:42,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:07:42,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:07:42,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:07:42,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i [2023-11-29 00:07:44,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:07:45,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:07:45,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i [2023-11-29 00:07:45,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data/6d06d7bf0/d135735b07d945f6bdddd67a6bb99097/FLAGb5d558ed6 [2023-11-29 00:07:45,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/data/6d06d7bf0/d135735b07d945f6bdddd67a6bb99097 [2023-11-29 00:07:45,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:07:45,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:07:45,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:07:45,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:07:45,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:07:45,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a53b744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45, skipping insertion in model container [2023-11-29 00:07:45,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:07:45,275 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_f0258208-287b-4c8e-9f77-ed055be71db3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i[916,929] [2023-11-29 00:07:45,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:07:45,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:07:45,377 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_f0258208-287b-4c8e-9f77-ed055be71db3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-25.i[916,929] [2023-11-29 00:07:45,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:07:45,477 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:07:45,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45 WrapperNode [2023-11-29 00:07:45,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:07:45,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:07:45,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:07:45,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:07:45,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,534 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-29 00:07:45,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:07:45,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:07:45,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:07:45,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:07:45,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,570 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 00:07:45,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:07:45,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:07:45,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:07:45,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:07:45,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (1/1) ... [2023-11-29 00:07:45,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:07:45,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:07:45,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:07:45,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:07:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:07:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:07:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:07:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:07:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:07:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:07:45,764 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:07:45,765 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:07:52,116 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:07:52,181 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:07:52,181 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:07:52,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:07:52 BoogieIcfgContainer [2023-11-29 00:07:52,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:07:52,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:07:52,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:07:52,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:07:52,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:07:45" (1/3) ... [2023-11-29 00:07:52,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3ca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:07:52, skipping insertion in model container [2023-11-29 00:07:52,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:07:45" (2/3) ... [2023-11-29 00:07:52,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3ca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:07:52, skipping insertion in model container [2023-11-29 00:07:52,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:07:52" (3/3) ... [2023-11-29 00:07:52,189 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-25.i [2023-11-29 00:07:52,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:07:52,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:07:52,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:07:52,246 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;@48388f97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:07:52,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:07:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 52 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:07:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 00:07:52,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:52,265 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:52,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:52,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:52,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1252905248, now seen corresponding path program 1 times [2023-11-29 00:07:52,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:07:52,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191665732] [2023-11-29 00:07:52,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:52,283 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 00:07:52,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:07:52,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:07:52,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:07:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:52,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:07:52,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-29 00:07:52,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:52,906 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:07:52,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191665732] [2023-11-29 00:07:52,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191665732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:52,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:52,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:07:52,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119054046] [2023-11-29 00:07:52,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:52,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:07:52,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:07:52,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:07:52,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:07:52,950 INFO L87 Difference]: Start difference. First operand has 78 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 52 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:57,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:07:57,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:07:57,235 INFO L93 Difference]: Finished difference Result 153 states and 266 transitions. [2023-11-29 00:07:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:07:57,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2023-11-29 00:07:57,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:07:57,289 INFO L225 Difference]: With dead ends: 153 [2023-11-29 00:07:57,289 INFO L226 Difference]: Without dead ends: 76 [2023-11-29 00:07:57,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 00:07:57,295 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:07:57,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 00:07:57,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-29 00:07:57,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-29 00:07:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:07:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 117 transitions. [2023-11-29 00:07:57,339 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 117 transitions. Word has length 160 [2023-11-29 00:07:57,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:07:57,339 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 117 transitions. [2023-11-29 00:07:57,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:07:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2023-11-29 00:07:57,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 00:07:57,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:07:57,344 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:07:57,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:07:57,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:07:57,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:07:57,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:07:57,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1700195672, now seen corresponding path program 1 times [2023-11-29 00:07:57,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:07:57,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430475469] [2023-11-29 00:07:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:07:57,547 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 00:07:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:07:57,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:07:57,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:07:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:58,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:07:58,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:07:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:07:58,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:07:58,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:07:58,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430475469] [2023-11-29 00:07:58,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430475469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:58,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:58,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:07:58,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744687837] [2023-11-29 00:07:58,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:58,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:07:58,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:07:58,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:07:58,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:07:58,207 INFO L87 Difference]: Start difference. First operand 76 states and 117 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:08:01,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:08:01,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:08:01,576 INFO L93 Difference]: Finished difference Result 180 states and 277 transitions. [2023-11-29 00:08:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:08:01,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-29 00:08:01,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:08:01,623 INFO L225 Difference]: With dead ends: 180 [2023-11-29 00:08:01,623 INFO L226 Difference]: Without dead ends: 105 [2023-11-29 00:08:01,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 00:08:01,625 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 32 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:08:01,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 220 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 00:08:01,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-29 00:08:01,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 98. [2023-11-29 00:08:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 72 states have internal predecessors, (103), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 00:08:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 151 transitions. [2023-11-29 00:08:01,642 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 151 transitions. Word has length 160 [2023-11-29 00:08:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:08:01,644 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 151 transitions. [2023-11-29 00:08:01,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:08:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2023-11-29 00:08:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:08:01,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:08:01,648 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:08:01,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:01,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:01,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:08:01,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:08:01,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1888510991, now seen corresponding path program 1 times [2023-11-29 00:08:01,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:08:01,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777499698] [2023-11-29 00:08:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:08:01,850 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 00:08:01,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:08:01,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:01,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:08:02,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:08:02,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:08:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-29 00:08:03,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:08:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-29 00:08:03,537 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:08:03,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777499698] [2023-11-29 00:08:03,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777499698] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:08:03,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:08:03,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-29 00:08:03,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074494981] [2023-11-29 00:08:03,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:08:03,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:08:03,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:08:03,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:08:03,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:08:03,541 INFO L87 Difference]: Start difference. First operand 98 states and 151 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:08:07,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:08:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:08:07,866 INFO L93 Difference]: Finished difference Result 248 states and 379 transitions. [2023-11-29 00:08:07,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:08:07,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-29 00:08:07,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:08:07,870 INFO L225 Difference]: With dead ends: 248 [2023-11-29 00:08:07,870 INFO L226 Difference]: Without dead ends: 151 [2023-11-29 00:08:07,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:08:07,873 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 42 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:08:07,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 355 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 00:08:07,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-29 00:08:07,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2023-11-29 00:08:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 111 states have (on average 1.4234234234234233) internal successors, (158), 112 states have internal predecessors, (158), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 00:08:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 210 transitions. [2023-11-29 00:08:07,896 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 210 transitions. Word has length 161 [2023-11-29 00:08:07,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:08:07,897 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 210 transitions. [2023-11-29 00:08:07,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-29 00:08:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2023-11-29 00:08:07,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:08:07,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:08:07,900 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:08:07,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:08,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:08,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:08:08,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:08:08,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1819650291, now seen corresponding path program 1 times [2023-11-29 00:08:08,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:08:08,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145058875] [2023-11-29 00:08:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:08:08,103 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 00:08:08,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:08:08,104 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:08,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:08:08,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:08:08,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:08:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-29 00:08:10,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:08:11,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:08:11,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145058875] [2023-11-29 00:08:11,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145058875] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:08:11,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [457662310] [2023-11-29 00:08:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:08:11,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:08:11,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:08:11,494 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:08:11,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 00:08:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:08:13,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:08:13,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:08:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-29 00:08:14,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:08:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [457662310] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:08:15,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:08:15,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-11-29 00:08:15,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309559314] [2023-11-29 00:08:15,595 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:08:15,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:08:15,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:08:15,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:08:15,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:08:15,598 INFO L87 Difference]: Start difference. First operand 140 states and 210 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:08:21,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:08:26,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:08:28,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:08:33,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:08:38,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:08:39,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:08:39,037 INFO L93 Difference]: Finished difference Result 491 states and 732 transitions. [2023-11-29 00:08:39,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:08:39,038 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-11-29 00:08:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:08:39,044 INFO L225 Difference]: With dead ends: 491 [2023-11-29 00:08:39,044 INFO L226 Difference]: Without dead ends: 352 [2023-11-29 00:08:39,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:08:39,047 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 244 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 77 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:08:39,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 709 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 386 Invalid, 4 Unknown, 0 Unchecked, 23.0s Time] [2023-11-29 00:08:39,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-11-29 00:08:39,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 225. [2023-11-29 00:08:39,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 169 states have (on average 1.3846153846153846) internal successors, (234), 170 states have internal predecessors, (234), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:08:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 334 transitions. [2023-11-29 00:08:39,091 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 334 transitions. Word has length 161 [2023-11-29 00:08:39,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:08:39,092 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 334 transitions. [2023-11-29 00:08:39,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:08:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 334 transitions. [2023-11-29 00:08:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:08:39,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:08:39,096 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:08:39,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-29 00:08:39,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:39,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:39,500 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:08:39,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:08:39,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1302497267, now seen corresponding path program 1 times [2023-11-29 00:08:39,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:08:39,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226613280] [2023-11-29 00:08:39,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:08:39,501 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 00:08:39,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:08:39,502 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:39,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:08:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:08:40,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 00:08:40,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:08:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2023-11-29 00:08:47,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:08:55,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:08:55,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226613280] [2023-11-29 00:08:55,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226613280] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:08:55,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1107604910] [2023-11-29 00:08:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:08:55,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:08:55,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:08:55,934 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:08:55,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 00:08:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:08:57,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:08:57,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-29 00:09:00,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:02,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1107604910] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:09:02,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:09:02,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 23 [2023-11-29 00:09:02,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151437428] [2023-11-29 00:09:02,573 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:09:02,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 00:09:02,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:09:02,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 00:09:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=958, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 00:09:02,576 INFO L87 Difference]: Start difference. First operand 225 states and 334 transitions. Second operand has 24 states, 24 states have (on average 4.125) internal successors, (99), 23 states have internal predecessors, (99), 5 states have call successors, (48), 5 states have call predecessors, (48), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-29 00:09:11,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:12,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:13,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:18,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:23,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:25,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:26,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:29,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:33,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:35,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:36,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:38,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:39,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:48,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:50,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:55,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:57,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:01,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:07,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:09,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:15,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:10:19,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:21,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:10:25,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:30,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:32,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:10:32,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:10:32,775 INFO L93 Difference]: Finished difference Result 715 states and 1059 transitions. [2023-11-29 00:10:32,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 00:10:32,786 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 23 states have internal predecessors, (99), 5 states have call successors, (48), 5 states have call predecessors, (48), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) Word has length 161 [2023-11-29 00:10:32,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:10:32,792 INFO L225 Difference]: With dead ends: 715 [2023-11-29 00:10:32,792 INFO L226 Difference]: Without dead ends: 576 [2023-11-29 00:10:32,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=886, Invalid=3020, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 00:10:32,795 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 711 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 2102 mSolverCounterSat, 154 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 2102 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:10:32,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 1972 Invalid, 2268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 2102 Invalid, 12 Unknown, 0 Unchecked, 85.0s Time] [2023-11-29 00:10:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2023-11-29 00:10:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 284. [2023-11-29 00:10:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 227 states have (on average 1.3832599118942732) internal successors, (314), 228 states have internal predecessors, (314), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:10:32,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 414 transitions. [2023-11-29 00:10:32,848 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 414 transitions. Word has length 161 [2023-11-29 00:10:32,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:10:32,849 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 414 transitions. [2023-11-29 00:10:32,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 23 states have internal predecessors, (99), 5 states have call successors, (48), 5 states have call predecessors, (48), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-29 00:10:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 414 transitions. [2023-11-29 00:10:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:10:32,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:10:32,852 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:10:32,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-29 00:10:33,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:10:33,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:10:33,253 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:10:33,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:33,253 INFO L85 PathProgramCache]: Analyzing trace with hash 550408943, now seen corresponding path program 1 times [2023-11-29 00:10:33,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:10:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113238538] [2023-11-29 00:10:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:33,254 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 00:10:33,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:10:33,255 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:10:33,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0258208-287b-4c8e-9f77-ed055be71db3/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 00:10:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:33,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-29 00:10:33,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:13:25,052 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:13:46,122 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:14:23,756 WARN L293 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:14:44,229 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:15:28,201 WARN L293 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)