./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.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_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:11:58,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:11:58,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 07:11:58,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:11:58,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:11:58,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:11:58,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:11:58,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:11:58,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:11:58,874 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:11:58,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:11:58,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:11:58,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:11:58,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:11:58,877 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:11:58,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:11:58,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:11:58,879 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:11:58,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:11:58,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:11:58,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:11:58,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:11:58,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:11:58,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:11:58,882 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:11:58,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:11:58,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:11:58,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:11:58,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:11:58,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:11:58,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:11:58,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:11:58,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:11:58,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:11:58,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:11:58,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:11:58,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:11:58,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:11:58,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:11:58,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:11:58,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:11:58,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:11:58,888 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_04df3f27-5c80-4fdf-ad6b-237c5177086c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 [2023-11-29 07:11:59,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:11:59,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:11:59,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:11:59,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:11:59,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:11:59,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2023-11-29 07:12:01,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:12:02,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:12:02,077 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2023-11-29 07:12:02,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data/72a3c956e/23724ecd9a2b46d4bf241fda8a94aac2/FLAG0c90cf8df [2023-11-29 07:12:02,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data/72a3c956e/23724ecd9a2b46d4bf241fda8a94aac2 [2023-11-29 07:12:02,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:12:02,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:12:02,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:12:02,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:12:02,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:12:02,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c443d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02, skipping insertion in model container [2023-11-29 07:12:02,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:12:02,283 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_04df3f27-5c80-4fdf-ad6b-237c5177086c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i[913,926] [2023-11-29 07:12:02,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:12:02,345 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:12:02,355 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_04df3f27-5c80-4fdf-ad6b-237c5177086c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i[913,926] [2023-11-29 07:12:02,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:12:02,399 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:12:02,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02 WrapperNode [2023-11-29 07:12:02,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:12:02,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:12:02,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:12:02,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:12:02,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,447 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-29 07:12:02,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:12:02,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:12:02,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:12:02,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:12:02,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,474 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 07:12:02,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:12:02,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:12:02,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:12:02,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:12:02,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (1/1) ... [2023-11-29 07:12:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:12:02,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:12:02,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:12:02,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:12:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:12:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:12:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:12:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:12:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:12:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:12:02,633 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:12:02,635 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:12:02,884 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:12:02,925 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:12:02,925 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:12:02,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:12:02 BoogieIcfgContainer [2023-11-29 07:12:02,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:12:02,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:12:02,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:12:02,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:12:02,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:12:02" (1/3) ... [2023-11-29 07:12:02,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eac5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:12:02, skipping insertion in model container [2023-11-29 07:12:02,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:02" (2/3) ... [2023-11-29 07:12:02,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eac5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:12:02, skipping insertion in model container [2023-11-29 07:12:02,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:12:02" (3/3) ... [2023-11-29 07:12:02,935 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-15.i [2023-11-29 07:12:02,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:12:02,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:12:02,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:12:03,000 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;@66767d97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:12:03,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:12:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 07:12:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 07:12:03,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:03,017 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:03,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:03,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:03,022 INFO L85 PathProgramCache]: Analyzing trace with hash 396515768, now seen corresponding path program 1 times [2023-11-29 07:12:03,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:12:03,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015889282] [2023-11-29 07:12:03,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:03,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:12:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:12:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:12:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:12:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:12:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:12:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:12:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:12:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:12:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:12:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 07:12:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 07:12:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:12:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 07:12:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 07:12:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 07:12:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 07:12:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 07:12:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 07:12:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 07:12:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 07:12:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 07:12:03,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:12:03,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015889282] [2023-11-29 07:12:03,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015889282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:03,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:03,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:12:03,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185948875] [2023-11-29 07:12:03,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:03,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 07:12:03,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:12:03,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 07:12:03,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:12:03,444 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 07:12:03,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:03,486 INFO L93 Difference]: Finished difference Result 119 states and 206 transitions. [2023-11-29 07:12:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 07:12:03,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-11-29 07:12:03,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:03,497 INFO L225 Difference]: With dead ends: 119 [2023-11-29 07:12:03,497 INFO L226 Difference]: Without dead ends: 59 [2023-11-29 07:12:03,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:12:03,504 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:03,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:12:03,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-29 07:12:03,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-29 07:12:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 07:12:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions. [2023-11-29 07:12:03,552 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 128 [2023-11-29 07:12:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:03,553 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions. [2023-11-29 07:12:03,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 07:12:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2023-11-29 07:12:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 07:12:03,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:03,557 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:03,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:12:03,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:03,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash -10624788, now seen corresponding path program 1 times [2023-11-29 07:12:03,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:12:03,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338192826] [2023-11-29 07:12:03,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:12:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:12:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:12:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:12:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:12:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:12:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:12:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:12:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:12:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:12:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 07:12:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 07:12:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:12:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 07:12:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 07:12:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 07:12:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 07:12:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 07:12:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 07:12:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 07:12:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 07:12:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 07:12:03,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:12:03,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338192826] [2023-11-29 07:12:03,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338192826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:03,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:03,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:12:03,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122148076] [2023-11-29 07:12:03,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:03,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:12:03,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:12:03,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:12:03,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:12:03,985 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:04,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:04,151 INFO L93 Difference]: Finished difference Result 177 states and 267 transitions. [2023-11-29 07:12:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:12:04,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-11-29 07:12:04,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:04,155 INFO L225 Difference]: With dead ends: 177 [2023-11-29 07:12:04,155 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 07:12:04,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:12:04,158 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 56 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:04,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 243 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:12:04,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 07:12:04,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 98. [2023-11-29 07:12:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:12:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 147 transitions. [2023-11-29 07:12:04,191 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 147 transitions. Word has length 128 [2023-11-29 07:12:04,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:04,192 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 147 transitions. [2023-11-29 07:12:04,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2023-11-29 07:12:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 07:12:04,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:04,195 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:04,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:12:04,195 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:04,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash -695664293, now seen corresponding path program 1 times [2023-11-29 07:12:04,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:12:04,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698078449] [2023-11-29 07:12:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:04,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:12:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:12:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:12:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:12:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 07:12:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 07:12:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 07:12:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 07:12:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 07:12:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:12:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 07:12:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 07:12:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 07:12:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 07:12:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 07:12:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 07:12:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 07:12:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 07:12:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 07:12:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 07:12:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 07:12:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 07:12:04,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:12:04,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698078449] [2023-11-29 07:12:04,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698078449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:04,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:04,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:12:04,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998990005] [2023-11-29 07:12:04,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:04,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:12:04,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:12:04,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:12:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:12:04,557 INFO L87 Difference]: Start difference. First operand 98 states and 147 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:04,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:04,749 INFO L93 Difference]: Finished difference Result 247 states and 364 transitions. [2023-11-29 07:12:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:12:04,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2023-11-29 07:12:04,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:04,753 INFO L225 Difference]: With dead ends: 247 [2023-11-29 07:12:04,753 INFO L226 Difference]: Without dead ends: 189 [2023-11-29 07:12:04,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:12:04,756 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 119 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:04,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 217 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:12:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-29 07:12:04,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 152. [2023-11-29 07:12:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 93 states have (on average 1.2473118279569892) internal successors, (116), 94 states have internal predecessors, (116), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 07:12:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 224 transitions. [2023-11-29 07:12:04,819 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 224 transitions. Word has length 129 [2023-11-29 07:12:04,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:04,820 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 224 transitions. [2023-11-29 07:12:04,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 224 transitions. [2023-11-29 07:12:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 07:12:04,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:04,824 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:04,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:12:04,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:04,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:04,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1505010919, now seen corresponding path program 1 times [2023-11-29 07:12:04,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:12:04,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034964674] [2023-11-29 07:12:04,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:04,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:12:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:12:04,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 07:12:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:12:04,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 07:12:04,994 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 07:12:04,995 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 07:12:04,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:12:04,999 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 07:12:05,002 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:12:05,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:12:05 BoogieIcfgContainer [2023-11-29 07:12:05,089 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:12:05,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:12:05,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:12:05,090 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:12:05,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:12:02" (3/4) ... [2023-11-29 07:12:05,092 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 07:12:05,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:12:05,093 INFO L158 Benchmark]: Toolchain (without parser) took 2991.41ms. Allocated memory is still 209.7MB. Free memory was 168.6MB in the beginning and 141.3MB in the end (delta: 27.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-29 07:12:05,094 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:12:05,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.45ms. Allocated memory is still 209.7MB. Free memory was 168.6MB in the beginning and 154.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 07:12:05,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.59ms. Allocated memory is still 209.7MB. Free memory was 154.9MB in the beginning and 152.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:12:05,095 INFO L158 Benchmark]: Boogie Preprocessor took 42.26ms. Allocated memory is still 209.7MB. Free memory was 152.8MB in the beginning and 149.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:12:05,096 INFO L158 Benchmark]: RCFGBuilder took 434.29ms. Allocated memory is still 209.7MB. Free memory was 149.7MB in the beginning and 129.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 07:12:05,096 INFO L158 Benchmark]: TraceAbstraction took 2160.33ms. Allocated memory is still 209.7MB. Free memory was 129.8MB in the beginning and 141.3MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:12:05,096 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 209.7MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:12:05,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.45ms. Allocated memory is still 209.7MB. Free memory was 168.6MB in the beginning and 154.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.59ms. Allocated memory is still 209.7MB. Free memory was 154.9MB in the beginning and 152.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.26ms. Allocated memory is still 209.7MB. Free memory was 152.8MB in the beginning and 149.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 434.29ms. Allocated memory is still 209.7MB. Free memory was 149.7MB in the beginning and 129.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2160.33ms. Allocated memory is still 209.7MB. Free memory was 129.8MB in the beginning and 141.3MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 209.7MB. Free memory is still 141.3MB. 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 someBinaryFLOATComparisonOperation at line 137, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someUnaryDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 49.2; [L25] signed short int var_1_7 = 10; [L26] signed short int var_1_8 = 64; [L27] signed short int var_1_9 = 256; [L28] signed char var_1_10 = -5; [L29] signed char var_1_11 = 5; [L30] double var_1_12 = 256.4; [L31] float var_1_13 = 2.6; [L32] float var_1_14 = 128.125; [L33] double var_1_15 = 32.5; [L34] double var_1_16 = 10000000000.25; [L35] signed char var_1_17 = -5; [L36] unsigned char var_1_19 = 0; [L37] unsigned char var_1_20 = 0; [L38] signed long int var_1_21 = 1; [L39] signed short int var_1_22 = 17178; [L40] signed short int var_1_23 = 5; [L41] signed long int var_1_25 = -4; [L42] signed char last_1_var_1_10 = -5; [L43] signed long int last_1_var_1_21 = 1; [L44] signed long int last_1_var_1_25 = -4; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L132] last_1_var_1_10 = var_1_10 [L133] last_1_var_1_21 = var_1_21 [L134] last_1_var_1_25 = var_1_25 [L144] RET updateLastVariables() [L145] CALL updateVariables() [L97] var_1_3 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L98] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L99] var_1_4 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L100] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L101] var_1_7 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L102] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L103] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L104] var_1_8 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L105] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L106] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L106] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L107] var_1_9 = __VERIFIER_nondet_short() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L109] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L109] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L110] var_1_11 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L111] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L112] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L112] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L113] var_1_13 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L114] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L116] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L117] var_1_15 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L118] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L119] var_1_16 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L120] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L121] var_1_20 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L122] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L123] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L123] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_22 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L125] RET assume_abort_if_not(var_1_22 >= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L126] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L126] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L127] var_1_23 = __VERIFIER_nondet_short() [L128] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L128] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L129] CALL assume_abort_if_not(var_1_23 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L129] RET assume_abort_if_not(var_1_23 <= 16384) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L145] RET updateVariables() [L146] CALL step() [L48] COND TRUE last_1_var_1_10 < last_1_var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L49] COND TRUE var_1_11 <= last_1_var_1_25 [L50] var_1_19 = var_1_20 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L53] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L54] COND TRUE var_1_4 >= (var_1_3 * (var_1_13 + var_1_14)) [L55] var_1_12 = (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L59] unsigned char stepLocal_1 = var_1_19; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L60] COND FALSE !(var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L67] COND FALSE !(\read(var_1_19)) [L70] var_1_25 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L72] unsigned char stepLocal_0 = var_1_12 > var_1_12; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L73] COND TRUE var_1_19 || stepLocal_0 [L74] var_1_1 = (var_1_17 + var_1_17) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L78] signed long int stepLocal_3 = var_1_22 + var_1_11; [L79] signed long int stepLocal_2 = (var_1_22 - var_1_23) - var_1_9; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, stepLocal_2=-4, stepLocal_3=16379, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L80] COND FALSE !(\read(var_1_20)) [L93] var_1_21 = var_1_9 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, stepLocal_2=-4, stepLocal_3=16379, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((((var_1_19 || (var_1_12 > var_1_12)) ? (var_1_1 == ((signed short int) (var_1_17 + var_1_17))) : (var_1_1 == ((signed short int) ((((((var_1_7 + 1)) < (var_1_8)) ? ((var_1_7 + 1)) : (var_1_8))) - (24762 - var_1_9))))) && (var_1_10 == ((signed char) var_1_11))) && ((var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) ? (var_1_12 == ((double) (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))))) : (var_1_12 == ((double) var_1_16)))) && ((var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) ? ((var_1_19 || var_1_19) ? (var_1_17 == ((signed char) var_1_11)) : (var_1_17 == ((signed char) var_1_11))) : 1)) && ((last_1_var_1_10 < last_1_var_1_25) ? ((var_1_11 <= last_1_var_1_25) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_20 ? ((var_1_10 < ((var_1_22 - var_1_23) - var_1_9)) ? (var_1_19 ? ((last_1_var_1_21 == (var_1_22 + var_1_11)) ? (var_1_21 == ((signed long int) var_1_1)) : 1) : (var_1_21 == ((signed long int) var_1_10))) : (var_1_21 == ((signed long int) var_1_11))) : (var_1_21 == ((signed long int) var_1_9)))) && (var_1_19 ? (var_1_25 == ((signed long int) (var_1_17 + ((((var_1_17) < (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))) ? (var_1_17) : (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))))))) : (var_1_25 == ((signed long int) var_1_10))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 546 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 257 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 289 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=3, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 514 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 698 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2280/2280 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 07:12:05,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:12:07,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:12:07,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 07:12:07,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:12:07,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:12:07,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:12:07,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:12:07,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:12:07,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:12:07,196 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:12:07,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:12:07,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:12:07,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:12:07,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:12:07,199 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:12:07,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:12:07,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:12:07,201 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:12:07,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:12:07,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:12:07,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:12:07,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:12:07,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:12:07,204 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 07:12:07,204 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 07:12:07,204 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 07:12:07,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:12:07,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:12:07,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:12:07,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:12:07,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:12:07,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:12:07,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:12:07,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:12:07,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:12:07,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:12:07,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:12:07,208 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 07:12:07,209 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 07:12:07,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:12:07,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:12:07,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:12:07,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:12:07,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:12:07,210 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 07:12:07,210 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_04df3f27-5c80-4fdf-ad6b-237c5177086c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 [2023-11-29 07:12:07,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:12:07,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:12:07,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:12:07,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:12:07,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:12:07,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2023-11-29 07:12:10,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:12:10,597 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:12:10,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2023-11-29 07:12:10,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data/6e2638e46/0a45164728a24b7bb5ba117350be6e7e/FLAGd4233571d [2023-11-29 07:12:10,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/data/6e2638e46/0a45164728a24b7bb5ba117350be6e7e [2023-11-29 07:12:10,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:12:10,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:12:10,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:12:10,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:12:10,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:12:10,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:10,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a67fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10, skipping insertion in model container [2023-11-29 07:12:10,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:10,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:12:10,833 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_04df3f27-5c80-4fdf-ad6b-237c5177086c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i[913,926] [2023-11-29 07:12:10,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:12:10,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:12:10,913 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_04df3f27-5c80-4fdf-ad6b-237c5177086c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i[913,926] [2023-11-29 07:12:10,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:12:10,962 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:12:10,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10 WrapperNode [2023-11-29 07:12:10,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:12:10,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:12:10,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:12:10,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:12:10,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:10,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,010 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-29 07:12:11,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:12:11,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:12:11,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:12:11,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:12:11,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,041 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 07:12:11,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:12:11,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:12:11,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:12:11,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:12:11,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (1/1) ... [2023-11-29 07:12:11,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:12:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:12:11,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:12:11,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:12:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:12:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 07:12:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:12:11,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:12:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:12:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:12:11,227 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:12:11,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:12:14,405 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:12:14,449 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:12:14,449 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:12:14,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:12:14 BoogieIcfgContainer [2023-11-29 07:12:14,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:12:14,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:12:14,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:12:14,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:12:14,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:12:10" (1/3) ... [2023-11-29 07:12:14,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291c593c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:12:14, skipping insertion in model container [2023-11-29 07:12:14,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:12:10" (2/3) ... [2023-11-29 07:12:14,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291c593c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:12:14, skipping insertion in model container [2023-11-29 07:12:14,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:12:14" (3/3) ... [2023-11-29 07:12:14,461 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-15.i [2023-11-29 07:12:14,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:12:14,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:12:14,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:12:14,539 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;@16e2bf5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:12:14,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:12:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 07:12:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 07:12:14,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:14,558 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:14,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:14,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:14,563 INFO L85 PathProgramCache]: Analyzing trace with hash 396515768, now seen corresponding path program 1 times [2023-11-29 07:12:14,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:12:14,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284965241] [2023-11-29 07:12:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:14,576 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 07:12:14,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:12:14,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:14,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:14,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 07:12:14,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:12:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-29 07:12:15,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:12:15,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:12:15,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284965241] [2023-11-29 07:12:15,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284965241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:15,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:15,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:12:15,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285142582] [2023-11-29 07:12:15,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:15,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 07:12:15,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:12:15,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 07:12:15,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:12:15,074 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 07:12:15,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:15,909 INFO L93 Difference]: Finished difference Result 119 states and 206 transitions. [2023-11-29 07:12:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 07:12:15,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-11-29 07:12:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:15,938 INFO L225 Difference]: With dead ends: 119 [2023-11-29 07:12:15,938 INFO L226 Difference]: Without dead ends: 59 [2023-11-29 07:12:15,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:12:15,945 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:15,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 07:12:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-29 07:12:15,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-29 07:12:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 07:12:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions. [2023-11-29 07:12:15,989 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 128 [2023-11-29 07:12:15,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:15,989 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions. [2023-11-29 07:12:15,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 07:12:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2023-11-29 07:12:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 07:12:15,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:15,993 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:16,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:16,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:16,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:16,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash -10624788, now seen corresponding path program 1 times [2023-11-29 07:12:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:12:16,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665324997] [2023-11-29 07:12:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:16,196 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 07:12:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:12:16,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:16,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:16,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 07:12:16,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:12:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 07:12:17,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:12:17,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:12:17,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665324997] [2023-11-29 07:12:17,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665324997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:17,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:17,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:12:17,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555861850] [2023-11-29 07:12:17,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:17,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:12:17,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:12:17,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:12:17,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:12:17,789 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:19,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:21,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:21,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:21,130 INFO L93 Difference]: Finished difference Result 176 states and 266 transitions. [2023-11-29 07:12:21,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:12:21,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-11-29 07:12:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:21,152 INFO L225 Difference]: With dead ends: 176 [2023-11-29 07:12:21,153 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 07:12:21,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:12:21,155 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 50 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:21,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 245 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 07:12:21,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 07:12:21,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 98. [2023-11-29 07:12:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:12:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 147 transitions. [2023-11-29 07:12:21,193 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 147 transitions. Word has length 128 [2023-11-29 07:12:21,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:21,194 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 147 transitions. [2023-11-29 07:12:21,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:21,194 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2023-11-29 07:12:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 07:12:21,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:21,197 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:21,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 07:12:21,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:21,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:21,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:21,399 INFO L85 PathProgramCache]: Analyzing trace with hash -695664293, now seen corresponding path program 1 times [2023-11-29 07:12:21,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:12:21,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397685829] [2023-11-29 07:12:21,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:21,401 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 07:12:21,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:12:21,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:21,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 07:12:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:21,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 07:12:21,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:12:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 07:12:24,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:12:24,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:12:24,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397685829] [2023-11-29 07:12:24,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397685829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:12:24,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:12:24,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:12:24,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086725736] [2023-11-29 07:12:24,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:12:24,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:12:24,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:12:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:12:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:12:24,352 INFO L87 Difference]: Start difference. First operand 98 states and 147 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:25,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:27,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:29,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:30,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:12:39,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:12:40,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:12:41,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:41,002 INFO L93 Difference]: Finished difference Result 214 states and 323 transitions. [2023-11-29 07:12:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:12:41,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2023-11-29 07:12:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:41,024 INFO L225 Difference]: With dead ends: 214 [2023-11-29 07:12:41,025 INFO L226 Difference]: Without dead ends: 156 [2023-11-29 07:12:41,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:12:41,027 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 76 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:41,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 218 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2023-11-29 07:12:41,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-29 07:12:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 100. [2023-11-29 07:12:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 57 states have internal predecessors, (69), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:12:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2023-11-29 07:12:41,060 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 129 [2023-11-29 07:12:41,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:41,061 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2023-11-29 07:12:41,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 07:12:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2023-11-29 07:12:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 07:12:41,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:41,064 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:41,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 07:12:41,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:41,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:41,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash 5400285, now seen corresponding path program 1 times [2023-11-29 07:12:41,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:12:41,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866834960] [2023-11-29 07:12:41,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:41,272 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 07:12:41,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:12:41,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:41,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 07:12:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:41,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 07:12:41,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:12:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 336 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2023-11-29 07:12:42,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:12:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 07:12:43,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:12:43,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866834960] [2023-11-29 07:12:43,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866834960] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:12:43,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:12:43,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 07:12:43,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467484395] [2023-11-29 07:12:43,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:12:43,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 07:12:43,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:12:43,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 07:12:43,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:12:43,202 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-29 07:12:46,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:49,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:50,925 INFO L93 Difference]: Finished difference Result 234 states and 339 transitions. [2023-11-29 07:12:50,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 07:12:50,940 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 129 [2023-11-29 07:12:50,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:50,943 INFO L225 Difference]: With dead ends: 234 [2023-11-29 07:12:50,943 INFO L226 Difference]: Without dead ends: 174 [2023-11-29 07:12:50,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=198, Invalid=402, Unknown=0, NotChecked=0, Total=600 [2023-11-29 07:12:50,946 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 316 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:50,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 239 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-29 07:12:50,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-29 07:12:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 106. [2023-11-29 07:12:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 61 states have (on average 1.180327868852459) internal successors, (72), 61 states have internal predecessors, (72), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:12:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2023-11-29 07:12:50,985 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 129 [2023-11-29 07:12:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:50,986 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2023-11-29 07:12:50,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-29 07:12:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2023-11-29 07:12:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 07:12:50,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:50,988 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:50,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 07:12:51,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:51,190 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:51,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:51,190 INFO L85 PathProgramCache]: Analyzing trace with hash -613200700, now seen corresponding path program 1 times [2023-11-29 07:12:51,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:12:51,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930207053] [2023-11-29 07:12:51,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:51,191 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 07:12:51,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:12:51,192 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:51,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 07:12:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:51,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 07:12:51,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:12:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2023-11-29 07:12:51,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:12:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 07:12:52,045 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:12:52,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930207053] [2023-11-29 07:12:52,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930207053] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:12:52,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:12:52,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-29 07:12:52,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363447554] [2023-11-29 07:12:52,046 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:12:52,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 07:12:52,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:12:52,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 07:12:52,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:12:52,049 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 07:12:54,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:54,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:54,734 INFO L93 Difference]: Finished difference Result 181 states and 250 transitions. [2023-11-29 07:12:54,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:12:54,758 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2023-11-29 07:12:54,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:54,760 INFO L225 Difference]: With dead ends: 181 [2023-11-29 07:12:54,760 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 07:12:54,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:12:54,762 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 84 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:54,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 124 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 07:12:54,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 07:12:54,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2023-11-29 07:12:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 64 states have (on average 1.078125) internal successors, (69), 64 states have internal predecessors, (69), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:12:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 149 transitions. [2023-11-29 07:12:54,795 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 149 transitions. Word has length 130 [2023-11-29 07:12:54,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:54,796 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 149 transitions. [2023-11-29 07:12:54,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 07:12:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2023-11-29 07:12:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 07:12:54,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:54,799 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:54,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 07:12:54,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:54,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:55,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash -742488956, now seen corresponding path program 1 times [2023-11-29 07:12:55,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:12:55,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18382528] [2023-11-29 07:12:55,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:55,000 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 07:12:55,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:12:55,002 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:55,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 07:12:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:55,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 07:12:55,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:12:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2023-11-29 07:12:55,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:12:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 07:12:55,804 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:12:55,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18382528] [2023-11-29 07:12:55,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18382528] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:12:55,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:12:55,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-29 07:12:55,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576106862] [2023-11-29 07:12:55,804 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:12:55,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 07:12:55,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:12:55,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 07:12:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:12:55,806 INFO L87 Difference]: Start difference. First operand 111 states and 149 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 07:12:58,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 07:12:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:12:58,413 INFO L93 Difference]: Finished difference Result 182 states and 241 transitions. [2023-11-29 07:12:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:12:58,439 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2023-11-29 07:12:58,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:12:58,440 INFO L225 Difference]: With dead ends: 182 [2023-11-29 07:12:58,440 INFO L226 Difference]: Without dead ends: 119 [2023-11-29 07:12:58,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2023-11-29 07:12:58,451 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 103 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:12:58,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 125 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 07:12:58,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-29 07:12:58,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2023-11-29 07:12:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 64 states have (on average 1.0625) internal successors, (68), 64 states have internal predecessors, (68), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:12:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 148 transitions. [2023-11-29 07:12:58,475 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 148 transitions. Word has length 130 [2023-11-29 07:12:58,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:12:58,475 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 148 transitions. [2023-11-29 07:12:58,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 07:12:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 148 transitions. [2023-11-29 07:12:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 07:12:58,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:12:58,478 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:12:58,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 07:12:58,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:58,678 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:12:58,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:12:58,679 INFO L85 PathProgramCache]: Analyzing trace with hash -685230654, now seen corresponding path program 1 times [2023-11-29 07:12:58,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:12:58,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428395481] [2023-11-29 07:12:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:12:58,680 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 07:12:58,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:12:58,681 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/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 07:12:58,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04df3f27-5c80-4fdf-ad6b-237c5177086c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 07:12:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:12:59,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 07:12:59,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:13:43,595 WARN L293 SmtUtils]: Spent 12.88s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 07:15:10,588 WARN L293 SmtUtils]: Spent 15.32s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 07:16:12,608 WARN L293 SmtUtils]: Spent 20.16s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 07:17:44,407 WARN L293 SmtUtils]: Spent 21.74s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 07:19:17,306 WARN L293 SmtUtils]: Spent 17.19s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)