./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 693fe658b2ca4ad25f9280a2178ead2dc6e3ca2d95a440b95af5a93f050bab12 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:09:38,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:09:38,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 07:09:38,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:09:38,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:09:38,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:09:38,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:09:38,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:09:38,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:09:38,537 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:09:38,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:09:38,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:09:38,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:09:38,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:09:38,540 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:09:38,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:09:38,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:09:38,541 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:09:38,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:09:38,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:09:38,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:09:38,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:09:38,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:09:38,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:09:38,545 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:09:38,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:09:38,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:09:38,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:09:38,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:09:38,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:09:38,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:09:38,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:09:38,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:09:38,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:09:38,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:09:38,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:09:38,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:09:38,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:09:38,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:09:38,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:09:38,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:09:38,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:09:38,551 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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 693fe658b2ca4ad25f9280a2178ead2dc6e3ca2d95a440b95af5a93f050bab12 [2023-11-29 07:09:38,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:09:38,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:09:38,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:09:38,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:09:38,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:09:38,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i [2023-11-29 07:09:41,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:09:41,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:09:41,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i [2023-11-29 07:09:41,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data/187a17f00/a1e5412fd600488e9200a78bb112d476/FLAG43622310e [2023-11-29 07:09:41,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data/187a17f00/a1e5412fd600488e9200a78bb112d476 [2023-11-29 07:09:41,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:09:41,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:09:41,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:09:41,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:09:41,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:09:41,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:41,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f62f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41, skipping insertion in model container [2023-11-29 07:09:41,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:41,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:09:41,878 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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i[915,928] [2023-11-29 07:09:41,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:09:41,929 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:09:41,939 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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i[915,928] [2023-11-29 07:09:41,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:09:41,978 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:09:41,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41 WrapperNode [2023-11-29 07:09:41,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:09:41,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:09:41,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:09:41,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:09:41,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:41,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,026 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-29 07:09:42,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:09:42,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:09:42,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:09:42,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:09:42,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,053 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 07:09:42,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:09:42,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:09:42,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:09:42,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:09:42,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (1/1) ... [2023-11-29 07:09:42,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:09:42,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:42,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:09:42,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:09:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:09:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:09:42,217 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:09:42,218 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:09:42,436 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:09:42,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:09:42,479 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:09:42,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:42 BoogieIcfgContainer [2023-11-29 07:09:42,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:09:42,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:09:42,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:09:42,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:09:42,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:09:41" (1/3) ... [2023-11-29 07:09:42,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ebc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:09:42, skipping insertion in model container [2023-11-29 07:09:42,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:41" (2/3) ... [2023-11-29 07:09:42,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ebc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:09:42, skipping insertion in model container [2023-11-29 07:09:42,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:42" (3/3) ... [2023-11-29 07:09:42,487 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-10.i [2023-11-29 07:09:42,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:09:42,502 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:09:42,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:09:42,559 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;@3d0aaa26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:09:42,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:09:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 07:09:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 07:09:42,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:42,575 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:42,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:09:42,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:42,580 INFO L85 PathProgramCache]: Analyzing trace with hash 16823763, now seen corresponding path program 1 times [2023-11-29 07:09:42,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:09:42,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254388845] [2023-11-29 07:09:42,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:42,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:09:42,718 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 07:09:42,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [577664340] [2023-11-29 07:09:42,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:42,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:09:42,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 07:09:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:42,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 07:09:42,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:09:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 07:09:42,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:09:42,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:09:42,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254388845] [2023-11-29 07:09:42,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 07:09:42,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577664340] [2023-11-29 07:09:42,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577664340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:09:42,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:09:42,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:09:42,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109576215] [2023-11-29 07:09:42,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:09:42,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:09:42,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:09:42,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:09:42,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:09:42,979 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 07:09:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:09:43,029 INFO L93 Difference]: Finished difference Result 91 states and 154 transitions. [2023-11-29 07:09:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:09:43,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 104 [2023-11-29 07:09:43,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:09:43,039 INFO L225 Difference]: With dead ends: 91 [2023-11-29 07:09:43,039 INFO L226 Difference]: Without dead ends: 44 [2023-11-29 07:09:43,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:09:43,045 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:09:43,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:09:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-29 07:09:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-29 07:09:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 07:09:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2023-11-29 07:09:43,082 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 104 [2023-11-29 07:09:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:09:43,084 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2023-11-29 07:09:43,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 07:09:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2023-11-29 07:09:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 07:09:43,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:43,087 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:43,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 07:09:43,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 07:09:43,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:09:43,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash 521270469, now seen corresponding path program 1 times [2023-11-29 07:09:43,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:09:43,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364327257] [2023-11-29 07:09:43,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:43,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:09:43,341 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 07:09:43,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422577814] [2023-11-29 07:09:43,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:43,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:43,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:43,343 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:09:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 07:09:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:09:43,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 07:09:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:09:43,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 07:09:43,567 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 07:09:43,569 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 07:09:43,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 07:09:43,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:09:43,774 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 07:09:43,777 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:09:43,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:09:43 BoogieIcfgContainer [2023-11-29 07:09:43,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:09:43,846 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:09:43,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:09:43,846 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:09:43,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:42" (3/4) ... [2023-11-29 07:09:43,849 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 07:09:43,850 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:09:43,851 INFO L158 Benchmark]: Toolchain (without parser) took 2122.79ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 74.0MB in the end (delta: 56.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-11-29 07:09:43,851 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:09:43,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.03ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 118.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 07:09:43,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.74ms. Allocated memory is still 165.7MB. Free memory was 118.4MB in the beginning and 115.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:09:43,852 INFO L158 Benchmark]: Boogie Preprocessor took 42.26ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 113.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:09:43,853 INFO L158 Benchmark]: RCFGBuilder took 409.63ms. Allocated memory is still 165.7MB. Free memory was 113.0MB in the beginning and 94.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 07:09:43,854 INFO L158 Benchmark]: TraceAbstraction took 1363.18ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 74.0MB in the end (delta: 19.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-29 07:09:43,854 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 165.7MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:09:43,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.03ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 118.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.74ms. Allocated memory is still 165.7MB. Free memory was 118.4MB in the beginning and 115.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.26ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 113.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.63ms. Allocated memory is still 165.7MB. Free memory was 113.0MB in the beginning and 94.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1363.18ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 74.0MB in the end (delta: 19.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 165.7MB. Free memory is still 74.0MB. 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 100, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] double var_1_3 = 9.15; [L25] double var_1_6 = 1000000.875; [L26] double var_1_7 = 49.25; [L27] double var_1_8 = 1000000000.8; [L28] double var_1_9 = 7.85; [L29] double var_1_10 = 15.5; [L30] double var_1_11 = 49.875; [L31] unsigned char var_1_12 = 4; [L32] unsigned char var_1_13 = 0; [L33] unsigned short int var_1_14 = 42290; [L34] unsigned short int var_1_15 = 2; [L35] unsigned char var_1_16 = 32; [L36] double var_1_17 = 64.4; [L37] signed long int var_1_18 = 0; [L38] signed char var_1_19 = -1; [L104] isInitial = 1 [L105] FCALL initially() [L106] int k_loop; [L107] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=8, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L107] COND TRUE k_loop < 1 [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_ulong() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L70] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L70] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L71] var_1_6 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L72] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L73] var_1_7 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L74] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L75] var_1_8 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L76] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L77] var_1_9 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L78] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L79] var_1_10 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L80] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L82] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L83] var_1_13 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L84] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L85] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L85] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L86] var_1_14 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L87] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L88] CALL assume_abort_if_not(var_1_14 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L88] RET assume_abort_if_not(var_1_14 <= 65535) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L89] var_1_15 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L92] CALL assume_abort_if_not(var_1_15 != 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L92] RET assume_abort_if_not(var_1_15 != 32767) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L93] var_1_16 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L95] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L95] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L109] RET updateVariables() [L110] CALL step() [L42] var_1_17 = (var_1_8 + var_1_9) [L43] var_1_18 = var_1_15 [L44] var_1_19 = 8 [L45] unsigned long int stepLocal_1 = var_1_2; VAL [isInitial=1, stepLocal_1=0, var_1_12=4, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_18=32765, var_1_19=8, var_1_1=5, var_1_2=0, var_1_3=183/20] [L46] COND FALSE !(\read(var_1_13)) [L53] var_1_12 = var_1_16 VAL [isInitial=1, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_18=32765, var_1_19=8, var_1_1=5, var_1_2=0, var_1_3=183/20] [L55] var_1_1 = var_1_12 [L56] unsigned char stepLocal_0 = var_1_12; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_18=32765, var_1_19=8, var_1_1=0, var_1_2=0, var_1_3=183/20] [L57] COND FALSE !(stepLocal_0 < var_1_1) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_18=32765, var_1_19=8, var_1_1=0, var_1_2=0, var_1_3=183/20] [L60] COND TRUE (- var_1_17) == (var_1_6 - var_1_7) [L61] var_1_3 = (var_1_8 + (var_1_9 - ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_12=0, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_18=32765, var_1_19=8, var_1_1=0, var_1_2=0] [L110] RET step() [L111] CALL, EXPR property() [L100-L101] return (((((var_1_1 == ((unsigned long int) var_1_12)) && ((var_1_12 < var_1_1) ? (var_1_3 == ((double) -0.5)) : (((- var_1_17) == (var_1_6 - var_1_7)) ? (var_1_3 == ((double) (var_1_8 + (var_1_9 - ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))))) : (var_1_3 == ((double) 50.125))))) && (var_1_13 ? (((var_1_18 / (var_1_14 - var_1_15)) <= var_1_2) ? (var_1_12 == ((unsigned char) var_1_16)) : (var_1_12 == ((unsigned char) 16))) : (var_1_12 == ((unsigned char) var_1_16)))) && (var_1_17 == ((double) (var_1_8 + var_1_9)))) && (var_1_18 == ((signed long int) var_1_15))) && (var_1_19 == ((signed char) 8)) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=0, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_18=32765, var_1_19=8, var_1_1=0, var_1_2=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=0, var_1_13=0, var_1_14=32769, var_1_15=32765, var_1_16=0, var_1_18=32765, var_1_19=8, var_1_1=0, var_1_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 59 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 4 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 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 07:09:43,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 693fe658b2ca4ad25f9280a2178ead2dc6e3ca2d95a440b95af5a93f050bab12 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:09:45,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:09:45,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 07:09:45,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:09:45,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:09:45,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:09:45,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:09:45,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:09:45,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:09:45,859 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:09:45,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:09:45,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:09:45,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:09:45,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:09:45,862 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:09:45,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:09:45,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:09:45,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:09:45,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:09:45,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:09:45,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:09:45,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:09:45,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:09:45,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 07:09:45,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 07:09:45,867 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 07:09:45,867 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:09:45,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:09:45,868 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:09:45,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:09:45,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:09:45,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:09:45,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:09:45,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:09:45,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:09:45,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:09:45,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:09:45,872 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 07:09:45,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 07:09:45,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:09:45,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:09:45,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:09:45,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:09:45,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:09:45,873 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 07:09:45,873 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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 693fe658b2ca4ad25f9280a2178ead2dc6e3ca2d95a440b95af5a93f050bab12 [2023-11-29 07:09:46,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:09:46,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:09:46,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:09:46,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:09:46,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:09:46,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i [2023-11-29 07:09:48,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:09:49,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:09:49,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i [2023-11-29 07:09:49,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data/933f95408/692cb876022d4463bc65fe8d1f35cc59/FLAG8a7797489 [2023-11-29 07:09:49,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/data/933f95408/692cb876022d4463bc65fe8d1f35cc59 [2023-11-29 07:09:49,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:09:49,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:09:49,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:09:49,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:09:49,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:09:49,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674b93d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49, skipping insertion in model container [2023-11-29 07:09:49,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:09:49,296 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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i[915,928] [2023-11-29 07:09:49,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:09:49,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:09:49,360 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_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-10.i[915,928] [2023-11-29 07:09:49,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:09:49,399 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:09:49,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49 WrapperNode [2023-11-29 07:09:49,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:09:49,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:09:49,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:09:49,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:09:49,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,445 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-29 07:09:49,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:09:49,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:09:49,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:09:49,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:09:49,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,473 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 07:09:49,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:09:49,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:09:49,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:09:49,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:09:49,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (1/1) ... [2023-11-29 07:09:49,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:09:49,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:09:49,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:09:49,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:09:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:09:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 07:09:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:09:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:09:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:09:49,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:09:49,648 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:09:49,650 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:09:52,338 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:09:52,383 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:09:52,383 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:09:52,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:52 BoogieIcfgContainer [2023-11-29 07:09:52,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:09:52,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:09:52,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:09:52,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:09:52,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:09:49" (1/3) ... [2023-11-29 07:09:52,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e67e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:09:52, skipping insertion in model container [2023-11-29 07:09:52,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:49" (2/3) ... [2023-11-29 07:09:52,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e67e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:09:52, skipping insertion in model container [2023-11-29 07:09:52,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:52" (3/3) ... [2023-11-29 07:09:52,392 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-10.i [2023-11-29 07:09:52,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:09:52,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:09:52,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:09:52,458 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;@35f84a50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:09:52,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:09:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 07:09:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 07:09:52,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:52,475 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:52,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:09:52,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:52,481 INFO L85 PathProgramCache]: Analyzing trace with hash 16823763, now seen corresponding path program 1 times [2023-11-29 07:09:52,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:09:52,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950716425] [2023-11-29 07:09:52,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:52,496 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 07:09:52,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:09:52,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 07:09:52,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 07:09:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:53,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 07:09:53,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:09:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 07:09:53,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:09:53,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:09:53,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950716425] [2023-11-29 07:09:53,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950716425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:09:53,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:09:53,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:09:53,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919586740] [2023-11-29 07:09:53,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:09:53,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:09:53,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:09:53,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:09:53,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:09:53,243 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 07:09:55,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:09:55,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:09:55,458 INFO L93 Difference]: Finished difference Result 91 states and 154 transitions. [2023-11-29 07:09:55,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:09:55,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 104 [2023-11-29 07:09:55,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:09:55,467 INFO L225 Difference]: With dead ends: 91 [2023-11-29 07:09:55,467 INFO L226 Difference]: Without dead ends: 44 [2023-11-29 07:09:55,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:09:55,472 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:09:55,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 07:09:55,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-29 07:09:55,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-29 07:09:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 07:09:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2023-11-29 07:09:55,508 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 104 [2023-11-29 07:09:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:09:55,510 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2023-11-29 07:09:55,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 07:09:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2023-11-29 07:09:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 07:09:55,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:09:55,513 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:55,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 07:09:55,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 07:09:55,714 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:09:55,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:09:55,715 INFO L85 PathProgramCache]: Analyzing trace with hash 521270469, now seen corresponding path program 1 times [2023-11-29 07:09:55,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:09:55,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127487378] [2023-11-29 07:09:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:09:55,716 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 07:09:55,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:09:55,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 07:09:55,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7267f8d-7d28-4677-82ce-47da4c0fc5ef/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 07:09:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:09:56,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 07:09:56,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:10:40,385 WARN L293 SmtUtils]: Spent 8.09s 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 07:10:48,470 WARN L293 SmtUtils]: Spent 8.08s 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 07:11:03,761 WARN L293 SmtUtils]: Spent 7.90s 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 07:11:10,818 WARN L293 SmtUtils]: Spent 7.06s 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 07:11:18,946 WARN L293 SmtUtils]: Spent 8.13s 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 07:11:24,677 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:11:32,773 WARN L293 SmtUtils]: Spent 8.10s 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 07:11:40,867 WARN L293 SmtUtils]: Spent 8.09s 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 07:11:47,893 WARN L293 SmtUtils]: Spent 7.02s 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 07:11:55,982 WARN L293 SmtUtils]: Spent 8.09s 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 07:12:08,411 WARN L293 SmtUtils]: Spent 7.67s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:12:16,562 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:12:24,700 WARN L293 SmtUtils]: Spent 8.14s 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 07:12:32,797 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:12:40,982 WARN L293 SmtUtils]: Spent 8.18s 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 07:12:47,687 WARN L293 SmtUtils]: Spent 6.70s 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 07:12:51,718 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.leq c_~var_1_9~0 .cse0) (fp.eq (fp.neg c_~var_1_17~0) (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_7~0)) (= c_~var_1_1~0 ((_ zero_extend 24) c_~var_1_12~0)) (let ((.cse1 (fp.gt c_~var_1_10~0 c_~var_1_11~0))) (or (and (= c_~var_1_3~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.sub c_currentRoundingMode c_~var_1_9~0 c_~var_1_10~0))) .cse1) (and (not .cse1) (= c_~var_1_3~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.sub c_currentRoundingMode c_~var_1_9~0 c_~var_1_11~0)))))) (= c_~var_1_13~0 (_ bv0 8)) (= (_ bv8 8) c_~var_1_19~0) (= c_~var_1_12~0 c_~var_1_16~0) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))) (and (fp.geq c_~var_1_8~0 .cse4) (fp.leq c_~var_1_8~0 .cse0))) (fp.leq c_~var_1_11~0 .cse0) (fp.geq c_~var_1_11~0 .cse4) (fp.geq c_~var_1_9~0 .cse4) (= ((_ zero_extend 16) c_~var_1_15~0) c_~var_1_18~0) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))))) is different from false [2023-11-29 07:13:08,615 WARN L293 SmtUtils]: Spent 8.12s 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 07:13:16,850 WARN L293 SmtUtils]: Spent 8.12s 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 07:13:24,974 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:14:04,761 WARN L293 SmtUtils]: Spent 6.23s 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 07:14:25,697 WARN L293 SmtUtils]: Spent 8.15s 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 07:14:59,104 WARN L293 SmtUtils]: Spent 8.12s 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 07:15:11,350 WARN L293 SmtUtils]: Spent 8.12s 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 07:15:19,470 WARN L293 SmtUtils]: Spent 8.12s 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 07:15:27,595 WARN L293 SmtUtils]: Spent 8.12s 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 07:15:33,384 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:16:02,276 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:17:51,091 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 07:17:58,499 WARN L293 SmtUtils]: Spent 7.36s 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 07:18:14,975 WARN L293 SmtUtils]: Spent 8.13s 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 07:18:53,083 WARN L293 SmtUtils]: Spent 8.12s 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 07:19:09,567 WARN L293 SmtUtils]: Spent 8.11s 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 07:19:41,557 WARN L293 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:19:49,715 WARN L293 SmtUtils]: Spent 8.13s 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 07:19:57,936 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:20:06,722 WARN L293 SmtUtils]: Spent 5.31s 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 07:20:14,189 WARN L293 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:20:22,463 WARN L293 SmtUtils]: Spent 8.27s 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 07:20:29,592 WARN L293 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:20:41,851 WARN L293 SmtUtils]: Spent 8.11s 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 07:21:44,114 WARN L293 SmtUtils]: Spent 8.12s 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 07:22:54,579 WARN L293 SmtUtils]: Spent 8.17s 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 07:23:02,708 WARN L293 SmtUtils]: Spent 8.12s 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 07:23:10,796 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:23:20,044 WARN L293 SmtUtils]: Spent 5.20s 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 07:23:26,347 WARN L293 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:23:40,069 WARN L293 SmtUtils]: Spent 8.12s 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 07:23:49,831 WARN L293 SmtUtils]: Spent 8.12s 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 07:23:57,345 WARN L293 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:24:06,905 WARN L293 SmtUtils]: Spent 8.12s 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 07:24:15,033 WARN L293 SmtUtils]: Spent 8.13s 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 07:24:23,161 WARN L293 SmtUtils]: Spent 8.13s 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 07:24:31,170 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 07:24:40,989 WARN L293 SmtUtils]: Spent 7.53s 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 07:24:47,365 WARN L293 SmtUtils]: Spent 6.37s 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 07:24:54,023 WARN L293 SmtUtils]: Spent 6.66s 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)