./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 e8ce12979d8ad67f0c73a2a1e5d1d9d06850e25bebeafffbe3d0d7df33e4393e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:41:31,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:41:31,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:41:31,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:41:31,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:41:31,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:41:31,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:41:31,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:41:31,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:41:31,434 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:41:31,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:41:31,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:41:31,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:41:31,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:41:31,437 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:41:31,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:41:31,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:41:31,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:41:31,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:41:31,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:41:31,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:41:31,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:41:31,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:41:31,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:41:31,441 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:41:31,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:41:31,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:41:31,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:41:31,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:41:31,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:41:31,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:41:31,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:41:31,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:41:31,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:41:31,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:41:31,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:41:31,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:41:31,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:41:31,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:41:31,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:41:31,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:41:31,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:41:31,446 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_826a89e0-a48b-4c25-9a6a-82972ab801ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8ce12979d8ad67f0c73a2a1e5d1d9d06850e25bebeafffbe3d0d7df33e4393e [2023-11-29 05:41:31,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:41:31,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:41:31,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:41:31,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:41:31,706 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:41:31,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i [2023-11-29 05:41:34,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:41:34,646 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:41:34,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i [2023-11-29 05:41:34,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data/672e64b0a/c6bb0db0c0f54ce8b4e876ecd485adbe/FLAGf9836683f [2023-11-29 05:41:34,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data/672e64b0a/c6bb0db0c0f54ce8b4e876ecd485adbe [2023-11-29 05:41:34,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:41:34,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:41:34,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:41:34,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:41:34,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:41:34,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:34,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307035f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34, skipping insertion in model container [2023-11-29 05:41:34,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:34,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:41:34,865 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_826a89e0-a48b-4c25-9a6a-82972ab801ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i[919,932] [2023-11-29 05:41:34,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:41:34,929 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:41:34,942 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_826a89e0-a48b-4c25-9a6a-82972ab801ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i[919,932] [2023-11-29 05:41:34,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:41:34,985 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:41:34,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34 WrapperNode [2023-11-29 05:41:34,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:41:34,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:41:34,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:41:34,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:41:34,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,033 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-29 05:41:35,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:41:35,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:41:35,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:41:35,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:41:35,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,064 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 05:41:35,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:41:35,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:41:35,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:41:35,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:41:35,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (1/1) ... [2023-11-29 05:41:35,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:41:35,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:35,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:35,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:41:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:41:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:41:35,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:41:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:41:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:41:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:41:35,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:41:35,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:41:35,534 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:41:35,574 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:41:35,574 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:41:35,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:35 BoogieIcfgContainer [2023-11-29 05:41:35,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:41:35,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:41:35,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:41:35,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:41:35,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:41:34" (1/3) ... [2023-11-29 05:41:35,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f781ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:41:35, skipping insertion in model container [2023-11-29 05:41:35,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:34" (2/3) ... [2023-11-29 05:41:35,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f781ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:41:35, skipping insertion in model container [2023-11-29 05:41:35,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:35" (3/3) ... [2023-11-29 05:41:35,581 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-61.i [2023-11-29 05:41:35,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:41:35,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:41:35,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:41:35,643 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;@11df75e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:41:35,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:41:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 46 states have internal predecessors, (70), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:41:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 05:41:35,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:35,662 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:41:35,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:41:35,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:35,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1200359545, now seen corresponding path program 1 times [2023-11-29 05:41:35,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:41:35,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803819105] [2023-11-29 05:41:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:35,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:41:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:35,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:41:35,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803819105] [2023-11-29 05:41:35,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:41:35,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909778939] [2023-11-29 05:41:35,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:35,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:41:35,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:35,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:41:35,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:41:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:36,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:41:36,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:41:36,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:41:36,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909778939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:41:36,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:41:36,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:41:36,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702546974] [2023-11-29 05:41:36,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:41:36,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:41:36,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:41:36,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:41:36,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:41:36,166 INFO L87 Difference]: Start difference. First operand has 68 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 46 states have internal predecessors, (70), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:36,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:41:36,203 INFO L93 Difference]: Finished difference Result 133 states and 238 transitions. [2023-11-29 05:41:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:41:36,206 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2023-11-29 05:41:36,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:41:36,214 INFO L225 Difference]: With dead ends: 133 [2023-11-29 05:41:36,214 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 05:41:36,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 05:41:36,220 INFO L413 NwaCegarLoop]: 99 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, 99 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 05:41:36,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:41:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 05:41:36,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-29 05:41:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 44 states have internal predecessors, (62), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:41:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2023-11-29 05:41:36,259 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 125 [2023-11-29 05:41:36,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:41:36,262 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2023-11-29 05:41:36,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2023-11-29 05:41:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 05:41:36,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:36,266 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:41:36,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:41:36,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:41:36,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:41:36,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:36,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1787165559, now seen corresponding path program 1 times [2023-11-29 05:41:36,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:41:36,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115113056] [2023-11-29 05:41:36,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:36,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:41:36,514 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:41:36,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [203340085] [2023-11-29 05:41:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:36,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:41:36,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:36,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:41:36,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:41:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:36,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:41:36,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:41:36,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:41:36,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:41:36,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115113056] [2023-11-29 05:41:36,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:41:36,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203340085] [2023-11-29 05:41:36,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203340085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:41:36,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:41:36,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:41:36,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439355084] [2023-11-29 05:41:36,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:41:36,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:41:36,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:41:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:41:36,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:41:36,736 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:36,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:41:36,889 INFO L93 Difference]: Finished difference Result 195 states and 302 transitions. [2023-11-29 05:41:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:41:36,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2023-11-29 05:41:36,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:41:36,893 INFO L225 Difference]: With dead ends: 195 [2023-11-29 05:41:36,893 INFO L226 Difference]: Without dead ends: 130 [2023-11-29 05:41:36,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 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 05:41:36,896 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 114 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:41:36,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 244 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:41:36,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-29 05:41:36,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 80. [2023-11-29 05:41:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 58 states have internal predecessors, (86), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:41:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-11-29 05:41:36,915 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 125 [2023-11-29 05:41:36,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:41:36,916 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-11-29 05:41:36,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-29 05:41:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 05:41:36,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:36,919 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:41:36,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:41:37,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:41:37,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:41:37,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:37,122 INFO L85 PathProgramCache]: Analyzing trace with hash -693073971, now seen corresponding path program 1 times [2023-11-29 05:41:37,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:41:37,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981758854] [2023-11-29 05:41:37,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:37,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:41:37,159 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:41:37,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [956478537] [2023-11-29 05:41:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:37,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:41:37,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:37,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:41:37,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:41:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:37,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:41:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:37,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:41:37,469 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:41:37,470 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:41:37,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:41:37,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:41:37,675 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 05:41:37,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:41:37,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated [2023-11-29 05:41:37,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:41:37 BoogieIcfgContainer [2023-11-29 05:41:37,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:41:37,761 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:41:37,761 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:41:37,761 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:41:37,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:35" (3/4) ... [2023-11-29 05:41:37,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:41:37,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:41:37,765 INFO L158 Benchmark]: Toolchain (without parser) took 3089.73ms. Allocated memory is still 157.3MB. Free memory was 115.3MB in the beginning and 116.0MB in the end (delta: -708.1kB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2023-11-29 05:41:37,765 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:41:37,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.93ms. Allocated memory is still 157.3MB. Free memory was 115.3MB in the beginning and 101.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:41:37,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.24ms. Allocated memory is still 157.3MB. Free memory was 101.9MB in the beginning and 99.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:41:37,767 INFO L158 Benchmark]: Boogie Preprocessor took 49.92ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 95.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:41:37,767 INFO L158 Benchmark]: RCFGBuilder took 489.84ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 72.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 05:41:37,768 INFO L158 Benchmark]: TraceAbstraction took 2183.56ms. Allocated memory is still 157.3MB. Free memory was 72.0MB in the beginning and 116.0MB in the end (delta: -44.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-29 05:41:37,768 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 157.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:41:37,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.93ms. Allocated memory is still 157.3MB. Free memory was 115.3MB in the beginning and 101.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.24ms. Allocated memory is still 157.3MB. Free memory was 101.9MB in the beginning and 99.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.92ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 95.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 489.84ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 72.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2183.56ms. Allocated memory is still 157.3MB. Free memory was 72.0MB in the beginning and 116.0MB in the end (delta: -44.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 157.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 123, overapproximation of someBinaryArithmeticDOUBLEoperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.5; [L23] unsigned long int var_1_4 = 1; [L24] unsigned long int var_1_5 = 50; [L25] unsigned long int var_1_6 = 4; [L26] float var_1_7 = 15.8; [L27] float var_1_8 = 64.25; [L28] signed long int var_1_9 = -50; [L29] unsigned char var_1_13 = 1; [L30] unsigned long int var_1_14 = 3207304078; [L31] unsigned long int var_1_15 = 50; [L32] unsigned long int var_1_16 = 25; [L33] unsigned char var_1_17 = 1; [L34] unsigned char var_1_18 = 0; [L35] unsigned char var_1_19 = 0; [L36] unsigned short int var_1_20 = 1; [L37] unsigned long int var_1_21 = 50; [L38] signed char var_1_22 = -4; [L39] signed char var_1_23 = -10; [L40] signed long int last_1_var_1_9 = -50; [L127] isInitial = 1 [L128] FCALL initially() [L129] COND TRUE 1 [L130] CALL updateLastVariables() [L120] last_1_var_1_9 = var_1_9 [L130] RET updateLastVariables() [L131] CALL updateVariables() [L88] var_1_5 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L89] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L90] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L90] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L91] var_1_6 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L93] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L93] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L94] var_1_8 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L95] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L96] var_1_14 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L97] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L98] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L98] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L99] var_1_15 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L100] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L101] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L101] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L102] var_1_16 = __VERIFIER_nondet_ulong() [L103] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L103] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L104] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L104] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L105] var_1_17 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L106] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L107] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L107] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L108] var_1_18 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L109] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L110] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L110] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L111] var_1_20 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L112] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L113] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L113] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L114] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L114] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L115] var_1_23 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L116] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L117] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L117] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L131] RET updateVariables() [L132] CALL step() [L44] COND FALSE !(last_1_var_1_9 < last_1_var_1_9) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L47] var_1_21 = var_1_6 [L48] var_1_22 = var_1_23 VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L49] COND FALSE !(var_1_4 >= (4256310412u - 128u)) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L52] COND TRUE (var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4 [L53] var_1_1 = (8.8 - 255.2) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=79/5, var_1_9=-50] [L55] COND FALSE !(var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) [L64] var_1_7 = var_1_8 VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=2, var_1_8=2, var_1_9=-50] [L66] COND FALSE !(var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) [L73] var_1_13 = var_1_18 VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=2, var_1_8=2, var_1_9=-50] [L75] COND TRUE ((var_1_22 / 2) / var_1_20) >= (~ 100) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=2, var_1_8=2, var_1_9=-50] [L76] COND TRUE \read(var_1_13) [L77] var_1_19 = (var_1_17 && var_1_18) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=1, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=2, var_1_8=2, var_1_9=-50] [L132] RET step() [L133] CALL, EXPR property() [L123] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=1, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=2, var_1_8=2, var_1_9=-50] [L123-L124] return (((((((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))) && ((var_1_4 >= (4256310412u - 128u)) ? (var_1_9 == ((signed long int) (((((var_1_22 + var_1_22) < 0 ) ? -(var_1_22 + var_1_22) : (var_1_22 + var_1_22))) + var_1_22))) : 1)) && ((var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? ((var_1_16 < var_1_9) ? (var_1_13 == ((unsigned char) var_1_17)) : (var_1_13 == ((unsigned char) var_1_17))) : (var_1_13 == ((unsigned char) var_1_18)))) && ((((var_1_22 / 2) / var_1_20) >= (~ 100)) ? (var_1_13 ? (var_1_19 == ((unsigned char) (var_1_17 && var_1_18))) : 1) : (var_1_17 ? (var_1_19 == ((unsigned char) var_1_18)) : (var_1_19 == ((unsigned char) var_1_18))))) && (var_1_21 == ((unsigned long int) var_1_6))) && (var_1_22 == ((signed char) var_1_23)) ; [L133] RET, EXPR property() [L133] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=1, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=2, var_1_8=2, var_1_9=-50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967295, var_1_15=2147483647, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=1, var_1_20=2, var_1_21=64, var_1_22=-2, var_1_23=-2, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=2, var_1_8=2, var_1_9=-50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 343 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 185 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 50 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 303 SizeOfPredicates, 2 NumberOfNonLiveVariables, 576 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1520/1520 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 05:41:37,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 e8ce12979d8ad67f0c73a2a1e5d1d9d06850e25bebeafffbe3d0d7df33e4393e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:41:39,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:41:39,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:41:39,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:41:39,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:41:39,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:41:39,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:41:39,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:41:39,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:41:39,849 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:41:39,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:41:39,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:41:39,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:41:39,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:41:39,852 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:41:39,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:41:39,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:41:39,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:41:39,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:41:39,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:41:39,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:41:39,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:41:39,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:41:39,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:41:39,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:41:39,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:41:39,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:41:39,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:41:39,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:41:39,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:41:39,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:41:39,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:41:39,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:41:39,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:41:39,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:41:39,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:41:39,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:41:39,861 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:41:39,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:41:39,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:41:39,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:41:39,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:41:39,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:41:39,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:41:39,863 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:41:39,863 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_826a89e0-a48b-4c25-9a6a-82972ab801ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8ce12979d8ad67f0c73a2a1e5d1d9d06850e25bebeafffbe3d0d7df33e4393e [2023-11-29 05:41:40,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:41:40,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:41:40,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:41:40,176 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:41:40,176 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:41:40,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i [2023-11-29 05:41:43,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:41:43,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:41:43,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i [2023-11-29 05:41:43,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data/91f1aa42c/53160d7a3f4048e5bd6e22db7c966820/FLAG3e73761ce [2023-11-29 05:41:43,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/data/91f1aa42c/53160d7a3f4048e5bd6e22db7c966820 [2023-11-29 05:41:43,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:41:43,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:41:43,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:41:43,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:41:43,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:41:43,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc9c088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43, skipping insertion in model container [2023-11-29 05:41:43,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:41:43,461 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_826a89e0-a48b-4c25-9a6a-82972ab801ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i[919,932] [2023-11-29 05:41:43,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:41:43,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:41:43,537 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_826a89e0-a48b-4c25-9a6a-82972ab801ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-61.i[919,932] [2023-11-29 05:41:43,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:41:43,579 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:41:43,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43 WrapperNode [2023-11-29 05:41:43,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:41:43,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:41:43,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:41:43,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:41:43,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,626 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2023-11-29 05:41:43,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:41:43,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:41:43,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:41:43,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:41:43,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,656 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 05:41:43,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:41:43,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:41:43,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:41:43,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:41:43,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (1/1) ... [2023-11-29 05:41:43,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:41:43,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:43,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:43,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:41:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:41:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:41:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:41:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:41:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:41:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:41:43,847 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:41:43,849 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:41:44,575 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:41:44,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:41:44,634 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:41:44,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:44 BoogieIcfgContainer [2023-11-29 05:41:44,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:41:44,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:41:44,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:41:44,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:41:44,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:41:43" (1/3) ... [2023-11-29 05:41:44,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aad8de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:41:44, skipping insertion in model container [2023-11-29 05:41:44,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:43" (2/3) ... [2023-11-29 05:41:44,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aad8de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:41:44, skipping insertion in model container [2023-11-29 05:41:44,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:44" (3/3) ... [2023-11-29 05:41:44,643 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-61.i [2023-11-29 05:41:44,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:41:44,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:41:44,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:41:44,706 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;@1778f2f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:41:44,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:41:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.5) internal successors, (48), 33 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:41:44,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 05:41:44,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:44,724 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:41:44,725 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:41:44,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:44,729 INFO L85 PathProgramCache]: Analyzing trace with hash -64409643, now seen corresponding path program 1 times [2023-11-29 05:41:44,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:41:44,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158844712] [2023-11-29 05:41:44,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:44,743 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 05:41:44,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:41:44,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:44,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:45,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:41:45,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:41:45,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:41:45,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:41:45,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158844712] [2023-11-29 05:41:45,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158844712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:41:45,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:41:45,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:41:45,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076911247] [2023-11-29 05:41:45,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:41:45,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:41:45,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:41:45,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:41:45,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:41:45,115 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.5) internal successors, (48), 33 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:45,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:41:45,326 INFO L93 Difference]: Finished difference Result 106 states and 192 transitions. [2023-11-29 05:41:45,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:41:45,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123 [2023-11-29 05:41:45,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:41:45,345 INFO L225 Difference]: With dead ends: 106 [2023-11-29 05:41:45,346 INFO L226 Difference]: Without dead ends: 52 [2023-11-29 05:41:45,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 05:41:45,352 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:41:45,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:41:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-29 05:41:45,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-29 05:41:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:41:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2023-11-29 05:41:45,391 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 123 [2023-11-29 05:41:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:41:45,392 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2023-11-29 05:41:45,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2023-11-29 05:41:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 05:41:45,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:45,396 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:41:45,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:45,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:45,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:41:45,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:45,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1564277545, now seen corresponding path program 1 times [2023-11-29 05:41:45,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:41:45,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596176298] [2023-11-29 05:41:45,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:45,600 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 05:41:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:41:45,601 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:45,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:45,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:41:45,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:41:46,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:41:46,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:41:46,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596176298] [2023-11-29 05:41:46,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596176298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:41:46,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:41:46,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:41:46,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981126890] [2023-11-29 05:41:46,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:41:46,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:41:46,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:41:46,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:41:46,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:41:46,249 INFO L87 Difference]: Start difference. First operand 52 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:46,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:41:46,560 INFO L93 Difference]: Finished difference Result 103 states and 157 transitions. [2023-11-29 05:41:46,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:41:46,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123 [2023-11-29 05:41:46,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:41:46,573 INFO L225 Difference]: With dead ends: 103 [2023-11-29 05:41:46,574 INFO L226 Difference]: Without dead ends: 52 [2023-11-29 05:41:46,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 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 05:41:46,575 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:41:46,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 72 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:41:46,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-29 05:41:46,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-29 05:41:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:41:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2023-11-29 05:41:46,590 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 123 [2023-11-29 05:41:46,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:41:46,592 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2023-11-29 05:41:46,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:41:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-29 05:41:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 05:41:46,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:46,595 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:41:46,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:46,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:46,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:41:46,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:46,797 INFO L85 PathProgramCache]: Analyzing trace with hash -884219175, now seen corresponding path program 1 times [2023-11-29 05:41:46,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:41:46,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340516658] [2023-11-29 05:41:46,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:46,798 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 05:41:46,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:41:46,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:46,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_826a89e0-a48b-4c25-9a6a-82972ab801ea/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 05:41:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:47,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 05:41:47,102 INFO L285 TraceCheckSpWp]: Computing forward predicates...