./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.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_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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_52068b95-09b2-48d4-a219-e25d095e9569/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 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:12:38,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:12:39,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:12:39,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:12:39,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:12:39,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:12:39,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:12:39,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:12:39,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:12:39,047 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:12:39,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:12:39,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:12:39,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:12:39,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:12:39,050 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:12:39,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:12:39,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:12:39,052 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:12:39,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:12:39,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:12:39,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:12:39,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:12:39,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:12:39,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:12:39,055 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:12:39,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:12:39,056 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:12:39,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:12:39,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:12:39,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:12:39,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:12:39,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:39,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:12:39,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:12:39,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:12:39,059 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:12:39,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:12:39,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:12:39,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:12:39,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:12:39,060 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:12:39,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:12:39,060 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_52068b95-09b2-48d4-a219-e25d095e9569/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 [2023-11-29 01:12:39,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:12:39,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:12:39,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:12:39,343 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:12:39,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:12:39,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-11-29 01:12:42,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:12:42,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:12:42,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-11-29 01:12:42,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data/7384b6b1a/3a171073671b41dcb2efaccdbf7eb0a2/FLAGdfdbff371 [2023-11-29 01:12:42,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data/7384b6b1a/3a171073671b41dcb2efaccdbf7eb0a2 [2023-11-29 01:12:42,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:12:42,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:12:42,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:42,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:12:42,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:12:42,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d820b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42, skipping insertion in model container [2023-11-29 01:12:42,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:12:42,671 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_52068b95-09b2-48d4-a219-e25d095e9569/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-11-29 01:12:42,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:42,752 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:12:42,767 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_52068b95-09b2-48d4-a219-e25d095e9569/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-11-29 01:12:42,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:42,825 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:12:42,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42 WrapperNode [2023-11-29 01:12:42,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:42,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:42,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:12:42,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:12:42,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,893 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-29 01:12:42,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:42,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:12:42,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:12:42,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:12:42,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,936 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 01:12:42,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:12:42,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:12:42,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:12:42,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:12:42,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (1/1) ... [2023-11-29 01:12:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:42,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:43,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:12:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:12:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:12:43,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:12:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:12:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:12:43,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:12:43,131 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:12:43,134 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:12:43,453 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:12:43,501 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:12:43,502 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:12:43,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:43 BoogieIcfgContainer [2023-11-29 01:12:43,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:12:43,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:12:43,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:12:43,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:12:43,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:12:42" (1/3) ... [2023-11-29 01:12:43,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed2b62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:12:43, skipping insertion in model container [2023-11-29 01:12:43,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:42" (2/3) ... [2023-11-29 01:12:43,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed2b62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:12:43, skipping insertion in model container [2023-11-29 01:12:43,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:43" (3/3) ... [2023-11-29 01:12:43,512 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-36.i [2023-11-29 01:12:43,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:12:43,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:12:43,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:12:43,587 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;@21f7e51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:12:43,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:12:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:12:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 01:12:43,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:12:43,628 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:12:43,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:12:43,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:43,636 INFO L85 PathProgramCache]: Analyzing trace with hash 970495854, now seen corresponding path program 1 times [2023-11-29 01:12:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:43,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146114934] [2023-11-29 01:12:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:43,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:12:43,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146114934] [2023-11-29 01:12:43,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:12:43,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391019966] [2023-11-29 01:12:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:43,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:12:43,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:43,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:12:43,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:12:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:44,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:12:44,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:12:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-29 01:12:44,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:12:44,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391019966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:12:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:12:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:12:44,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472859] [2023-11-29 01:12:44,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:12:44,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:12:44,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:12:44,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:12:44,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:12:44,146 INFO L87 Difference]: Start difference. First operand has 67 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 01:12:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:12:44,184 INFO L93 Difference]: Finished difference Result 131 states and 232 transitions. [2023-11-29 01:12:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:12:44,187 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2023-11-29 01:12:44,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:12:44,196 INFO L225 Difference]: With dead ends: 131 [2023-11-29 01:12:44,197 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 01:12:44,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 01:12:44,205 INFO L413 NwaCegarLoop]: 97 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, 97 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 01:12:44,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:12:44,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 01:12:44,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 01:12:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:12:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 100 transitions. [2023-11-29 01:12:44,255 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 100 transitions. Word has length 150 [2023-11-29 01:12:44,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:12:44,256 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 100 transitions. [2023-11-29 01:12:44,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 01:12:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-29 01:12:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 01:12:44,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:12:44,261 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:12:44,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:12:44,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 01:12:44,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:12:44,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:44,463 INFO L85 PathProgramCache]: Analyzing trace with hash -114101770, now seen corresponding path program 1 times [2023-11-29 01:12:44,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:44,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314560387] [2023-11-29 01:12:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:44,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:44,537 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:12:44,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1272724519] [2023-11-29 01:12:44,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:44,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:12:44,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:44,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:12:44,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:12:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:44,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:12:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:44,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:12:44,890 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:12:44,892 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:12:44,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:12:45,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:12:45,098 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 01:12:45,101 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:12:45,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:12:45 BoogieIcfgContainer [2023-11-29 01:12:45,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:12:45,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:12:45,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:12:45,229 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:12:45,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:43" (3/4) ... [2023-11-29 01:12:45,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:12:45,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:12:45,234 INFO L158 Benchmark]: Toolchain (without parser) took 2775.49ms. Allocated memory is still 203.4MB. Free memory was 166.6MB in the beginning and 169.9MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:45,235 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:45,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.10ms. Allocated memory is still 203.4MB. Free memory was 166.1MB in the beginning and 151.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 01:12:45,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.76ms. Allocated memory is still 203.4MB. Free memory was 151.9MB in the beginning and 148.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:12:45,237 INFO L158 Benchmark]: Boogie Preprocessor took 69.52ms. Allocated memory is still 203.4MB. Free memory was 148.4MB in the beginning and 143.6MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:12:45,237 INFO L158 Benchmark]: RCFGBuilder took 537.32ms. Allocated memory is still 203.4MB. Free memory was 143.6MB in the beginning and 120.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 01:12:45,238 INFO L158 Benchmark]: TraceAbstraction took 1722.88ms. Allocated memory is still 203.4MB. Free memory was 120.0MB in the beginning and 170.8MB in the end (delta: -50.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 01:12:45,238 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 203.4MB. Free memory was 170.8MB in the beginning and 169.9MB in the end (delta: 962.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:45,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.10ms. Allocated memory is still 203.4MB. Free memory was 166.1MB in the beginning and 151.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.76ms. Allocated memory is still 203.4MB. Free memory was 151.9MB in the beginning and 148.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.52ms. Allocated memory is still 203.4MB. Free memory was 148.4MB in the beginning and 143.6MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 537.32ms. Allocated memory is still 203.4MB. Free memory was 143.6MB in the beginning and 120.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1722.88ms. Allocated memory is still 203.4MB. Free memory was 120.0MB in the beginning and 170.8MB in the end (delta: -50.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 203.4MB. Free memory was 170.8MB in the beginning and 169.9MB in the end (delta: 962.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.75; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 9.6; [L25] double var_1_4 = 7.625; [L26] double var_1_5 = 1.5; [L27] double var_1_6 = 63.17; [L28] double var_1_7 = 15.5; [L29] unsigned short int var_1_8 = 4; [L30] unsigned short int var_1_9 = 45624; [L31] unsigned short int var_1_10 = 39447; [L32] unsigned short int var_1_11 = 10; [L33] double var_1_12 = 255.5; [L34] double var_1_13 = 0.0; [L35] double var_1_14 = 127.5; [L36] float var_1_15 = 8.2; [L37] float var_1_16 = 2.8; [L38] signed short int var_1_17 = 8; [L39] double var_1_18 = 24.8; [L40] signed short int var_1_19 = -256; [L41] signed short int var_1_20 = 8; [L42] signed short int var_1_21 = 16; [L43] unsigned short int var_1_22 = 2; [L44] unsigned short int var_1_24 = 16; [L45] unsigned char var_1_25 = 0; [L46] unsigned short int last_1_var_1_22 = 2; [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] CALL updateLastVariables() [L131] last_1_var_1_22 = var_1_22 [L141] RET updateLastVariables() [L142] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L94] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L98] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L99] var_1_6 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L100] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L101] var_1_7 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L102] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L103] var_1_9 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L104] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L105] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L105] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L106] var_1_10 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L107] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L108] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L108] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L109] var_1_11 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L110] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L111] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L111] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L112] var_1_13 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L113] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L114] var_1_18 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L115] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L116] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L116] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L117] var_1_19 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_19 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L118] RET assume_abort_if_not(var_1_19 >= -32767) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L119] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L119] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L120] var_1_20 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L121] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L122] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L122] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=16, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L123] var_1_21 = __VERIFIER_nondet_short() [L124] CALL assume_abort_if_not(var_1_21 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L124] RET assume_abort_if_not(var_1_21 >= -32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L125] CALL assume_abort_if_not(var_1_21 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L125] RET assume_abort_if_not(var_1_21 <= 32766) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L126] var_1_25 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L127] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L128] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L128] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=35/4, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L142] RET updateVariables() [L143] CALL step() [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=4, var_1_9=65533] [L53] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L54] COND TRUE \read(var_1_2) [L55] var_1_12 = (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L57] var_1_14 = var_1_6 VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L58] COND FALSE !(var_1_13 >= var_1_14) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L65] COND TRUE var_1_3 <= var_1_4 [L66] var_1_16 = ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))) VAL [isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=8, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L68] unsigned short int stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=0, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=8, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L69] COND FALSE !(var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18))))) [L78] var_1_17 = var_1_21 VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=0, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=1, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=2, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L80] COND TRUE (var_1_11 + var_1_20) <= ((var_1_21 * last_1_var_1_22) * var_1_19) [L81] var_1_22 = (((((var_1_9 - var_1_11)) > (var_1_10)) ? ((var_1_9 - var_1_11)) : (var_1_10))) VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=0, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=1, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L83] COND FALSE !(var_1_9 < var_1_11) VAL [isInitial=1, last_1_var_1_22=2, stepLocal_0=0, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=1, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return ((((((((var_1_2 ? (var_1_1 == ((double) (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))))) : 1) && (var_1_8 == ((unsigned short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11)))) && (var_1_2 ? (var_1_12 == ((double) (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))))) : 1)) && (var_1_14 == ((double) var_1_6))) && ((var_1_13 >= var_1_14) ? (var_1_2 ? ((var_1_8 == var_1_11) ? (var_1_15 == ((float) 10.975f)) : 1) : 1) : 1)) && ((var_1_3 <= var_1_4) ? (var_1_16 == ((float) ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))))) : 1)) && ((var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18))))) ? (((var_1_10 + var_1_9) <= var_1_11) ? (var_1_2 ? (var_1_17 == ((signed short int) var_1_19)) : 1) : (var_1_17 == ((signed short int) (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))))) : (var_1_17 == ((signed short int) var_1_21)))) && (((var_1_11 + var_1_20) <= ((var_1_21 * last_1_var_1_22) * var_1_19)) ? (var_1_22 == ((unsigned short int) (((((var_1_9 - var_1_11)) > (var_1_10)) ? ((var_1_9 - var_1_11)) : (var_1_10))))) : 1)) && ((var_1_9 < var_1_11) ? ((var_1_2 || var_1_25) ? (var_1_24 == ((unsigned short int) 128)) : 1) : 1) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=1, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=2, var_1_10=65534, var_1_11=0, var_1_12=3, var_1_14=4, var_1_15=41/5, var_1_16=4, var_1_17=1, var_1_19=1, var_1_1=2, var_1_20=-1, var_1_21=1, var_1_22=65534, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=0, var_1_8=65533, var_1_9=65533] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 97 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1104/1104 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 01:12:45,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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_52068b95-09b2-48d4-a219-e25d095e9569/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 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:12:47,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:12:47,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 01:12:47,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:12:47,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:12:47,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:12:47,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:12:47,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:12:47,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:12:47,551 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:12:47,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:12:47,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:12:47,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:12:47,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:12:47,555 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:12:47,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:12:47,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:12:47,557 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:12:47,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:12:47,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:12:47,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:12:47,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:12:47,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:12:47,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:12:47,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:12:47,562 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:12:47,562 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:12:47,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:12:47,563 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:12:47,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:12:47,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:12:47,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:12:47,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:12:47,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:47,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:12:47,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:12:47,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:12:47,567 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:12:47,567 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:12:47,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:12:47,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:12:47,568 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:12:47,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:12:47,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:12:47,569 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:12:47,569 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_52068b95-09b2-48d4-a219-e25d095e9569/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49545640dd925d4c31e59eb3d83efb5108abe1806a06d3562ebf812b215f9bd5 [2023-11-29 01:12:47,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:12:47,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:12:47,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:12:47,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:12:47,933 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:12:47,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-11-29 01:12:50,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:12:51,063 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:12:51,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i [2023-11-29 01:12:51,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data/314a516bb/ed79a79a611845c788b87707a3b022bc/FLAGc5b4f2034 [2023-11-29 01:12:51,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/data/314a516bb/ed79a79a611845c788b87707a3b022bc [2023-11-29 01:12:51,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:12:51,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:12:51,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:51,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:12:51,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:12:51,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ea4fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51, skipping insertion in model container [2023-11-29 01:12:51,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:12:51,302 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_52068b95-09b2-48d4-a219-e25d095e9569/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-11-29 01:12:51,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:51,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:12:51,391 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_52068b95-09b2-48d4-a219-e25d095e9569/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-36.i[915,928] [2023-11-29 01:12:51,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:51,450 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:12:51,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51 WrapperNode [2023-11-29 01:12:51,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:51,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:51,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:12:51,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:12:51,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,509 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-29 01:12:51,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:51,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:12:51,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:12:51,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:12:51,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,553 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 01:12:51,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:12:51,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:12:51,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:12:51,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:12:51,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (1/1) ... [2023-11-29 01:12:51,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:51,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:51,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:51,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:12:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:12:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:12:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:12:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:12:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:12:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:12:51,740 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:12:51,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:13:06,726 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:13:06,784 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:13:06,784 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:13:06,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:13:06 BoogieIcfgContainer [2023-11-29 01:13:06,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:13:06,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:13:06,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:13:06,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:13:06,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:12:51" (1/3) ... [2023-11-29 01:13:06,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1635cf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:13:06, skipping insertion in model container [2023-11-29 01:13:06,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:51" (2/3) ... [2023-11-29 01:13:06,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1635cf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:13:06, skipping insertion in model container [2023-11-29 01:13:06,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:13:06" (3/3) ... [2023-11-29 01:13:06,796 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-36.i [2023-11-29 01:13:06,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:13:06,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:13:06,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:13:06,880 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;@4373dce7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:13:06,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:13:06,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:13:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 01:13:06,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:06,905 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:13:06,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:13:06,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash 970495854, now seen corresponding path program 1 times [2023-11-29 01:13:06,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:13:06,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694200684] [2023-11-29 01:13:06,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:06,929 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 01:13:06,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:13:06,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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 01:13:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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 01:13:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:08,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:13:08,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:13:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-29 01:13:08,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:13:08,398 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:13:08,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694200684] [2023-11-29 01:13:08,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694200684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:13:08,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:13:08,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:13:08,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004378853] [2023-11-29 01:13:08,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:13:08,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:13:08,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:13:08,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:13:08,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:13:08,441 INFO L87 Difference]: Start difference. First operand has 67 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 01:13:13,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:13:13,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:13:13,445 INFO L93 Difference]: Finished difference Result 131 states and 232 transitions. [2023-11-29 01:13:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:13:13,713 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2023-11-29 01:13:13,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:13:13,720 INFO L225 Difference]: With dead ends: 131 [2023-11-29 01:13:13,721 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 01:13:13,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 01:13:13,728 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:13:13,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 01:13:13,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 01:13:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 01:13:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 01:13:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 100 transitions. [2023-11-29 01:13:13,782 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 100 transitions. Word has length 150 [2023-11-29 01:13:13,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:13:13,783 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 100 transitions. [2023-11-29 01:13:13,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 01:13:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-29 01:13:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 01:13:13,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:13:13,788 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:13:13,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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 01:13:13,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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 01:13:13,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:13:13,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:13:13,990 INFO L85 PathProgramCache]: Analyzing trace with hash -114101770, now seen corresponding path program 1 times [2023-11-29 01:13:13,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:13:13,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504567738] [2023-11-29 01:13:13,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:13:13,992 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 01:13:13,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:13:13,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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 01:13:13,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52068b95-09b2-48d4-a219-e25d095e9569/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 01:13:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:13:15,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 01:13:15,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:15:02,965 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 78 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:15:44,612 WARN L293 SmtUtils]: Spent 9.68s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:16:06,036 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:16:42,382 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:20:02,966 WARN L293 SmtUtils]: Spent 1.17m on a formula simplification that was a NOOP. DAG size: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:20:26,042 WARN L293 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:20:50,770 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:25,258 WARN L293 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:22:25,427 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse19))) (and (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse3)) (and (fp.geq c_~var_1_6~0 .cse1) (fp.leq c_~var_1_6~0 .cse0))) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_13~0 .cse0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from false [2023-11-29 01:22:37,626 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:22:59,437 WARN L293 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:23:29,328 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:24:45,404 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:24:58,409 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:27:21,136 WARN L293 SmtUtils]: Spent 1.13m on a formula simplification that was a NOOP. DAG size: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:27:27,458 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:27:36,213 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:27:42,332 WARN L293 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:27:50,052 WARN L293 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)