./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX --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 93c448939de9448fe0a39c144e0f39dbdb04529f8b11f899e9ac148ccaf8e765 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:29:35,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:29:35,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:29:35,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:29:35,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:29:35,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:29:35,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:29:35,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:29:35,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:29:35,692 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:29:35,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:29:35,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:29:35,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:29:35,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:29:35,695 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:29:35,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:29:35,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:29:35,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:29:35,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:29:35,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:29:35,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:29:35,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:29:35,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:29:35,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:29:35,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:29:35,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:29:35,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:29:35,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:29:35,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:29:35,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:29:35,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:29:35,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:29:35,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:29:35,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:29:35,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:29:35,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:29:35,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:29:35,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:29:35,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:29:35,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:29:35,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:29:35,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:29:35,715 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_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93c448939de9448fe0a39c144e0f39dbdb04529f8b11f899e9ac148ccaf8e765 [2024-11-08 17:29:36,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:29:36,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:29:36,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:29:36,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:29:36,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:29:36,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-15.i Unable to find full path for "g++" [2024-11-08 17:29:38,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:29:38,368 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:29:38,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-15.i [2024-11-08 17:29:38,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/data/9be733542/9391936a0d824af78a2f869abae85fcb/FLAG2ac651030 [2024-11-08 17:29:38,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/data/9be733542/9391936a0d824af78a2f869abae85fcb [2024-11-08 17:29:38,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:29:38,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:29:38,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:29:38,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:29:38,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:29:38,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1888a881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38, skipping insertion in model container [2024-11-08 17:29:38,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:29:38,597 WARN L250 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_f11408f6-3956-4480-a98c-7f7e117231c9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-15.i[915,928] [2024-11-08 17:29:38,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:29:38,631 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:29:38,647 WARN L250 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_f11408f6-3956-4480-a98c-7f7e117231c9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-15.i[915,928] [2024-11-08 17:29:38,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:29:38,676 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:29:38,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38 WrapperNode [2024-11-08 17:29:38,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:29:38,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:29:38,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:29:38,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:29:38,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,711 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2024-11-08 17:29:38,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:29:38,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:29:38,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:29:38,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:29:38,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,738 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]. [2024-11-08 17:29:38,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:29:38,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:29:38,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:29:38,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:29:38,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (1/1) ... [2024-11-08 17:29:38,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:29:38,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:29:38,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:29:38,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:29:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:29:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:29:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:29:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:29:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:29:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:29:38,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:29:38,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:29:39,054 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 17:29:39,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:29:39,066 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:29:39,067 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:29:39,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:29:39 BoogieIcfgContainer [2024-11-08 17:29:39,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:29:39,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:29:39,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:29:39,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:29:39,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:29:38" (1/3) ... [2024-11-08 17:29:39,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261a64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:29:39, skipping insertion in model container [2024-11-08 17:29:39,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:29:38" (2/3) ... [2024-11-08 17:29:39,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261a64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:29:39, skipping insertion in model container [2024-11-08 17:29:39,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:29:39" (3/3) ... [2024-11-08 17:29:39,078 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-15.i [2024-11-08 17:29:39,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:29:39,113 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:29:39,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:29:39,212 INFO L333 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, 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;@4901c2b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:29:39,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:29:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:29:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 17:29:39,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:29:39,225 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:29:39,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:29:39,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:29:39,231 INFO L85 PathProgramCache]: Analyzing trace with hash 33606618, now seen corresponding path program 1 times [2024-11-08 17:29:39,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:29:39,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853167755] [2024-11-08 17:29:39,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:29:39,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:29:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:29:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:29:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:29:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:29:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:29:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:29:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:29:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:29:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:29:39,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:29:39,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853167755] [2024-11-08 17:29:39,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853167755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:29:39,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:29:39,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:29:39,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112944224] [2024-11-08 17:29:39,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:29:39,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:29:39,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:29:39,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:29:39,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:29:39,691 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:29:39,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:29:39,718 INFO L93 Difference]: Finished difference Result 57 states and 88 transitions. [2024-11-08 17:29:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:29:39,721 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-11-08 17:29:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:29:39,729 INFO L225 Difference]: With dead ends: 57 [2024-11-08 17:29:39,729 INFO L226 Difference]: Without dead ends: 28 [2024-11-08 17:29:39,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:29:39,739 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:29:39,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:29:39,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-08 17:29:39,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-08 17:29:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:29:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2024-11-08 17:29:39,780 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 54 [2024-11-08 17:29:39,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:29:39,781 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-11-08 17:29:39,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:29:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-08 17:29:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 17:29:39,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:29:39,784 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:29:39,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:29:39,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:29:39,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:29:39,786 INFO L85 PathProgramCache]: Analyzing trace with hash -772260902, now seen corresponding path program 1 times [2024-11-08 17:29:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:29:39,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415270368] [2024-11-08 17:29:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:29:39,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:29:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:29:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:29:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:29:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:29:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:29:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:29:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:29:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:29:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:29:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:29:43,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:29:43,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415270368] [2024-11-08 17:29:43,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415270368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:29:43,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:29:43,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:29:43,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058673714] [2024-11-08 17:29:43,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:29:43,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:29:43,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:29:43,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:29:43,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:29:43,948 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:29:45,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:29:45,135 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-11-08 17:29:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:29:45,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-11-08 17:29:45,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:29:45,137 INFO L225 Difference]: With dead ends: 40 [2024-11-08 17:29:45,137 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:29:45,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:29:45,139 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 37 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:29:45,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 136 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:29:45,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:29:45,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:29:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:29:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:29:45,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2024-11-08 17:29:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:29:45,142 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:29:45,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:29:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:29:45,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:29:45,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:29:45,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:29:45,149 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:29:45,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:29:45,394 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:29:45,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:29:45 BoogieIcfgContainer [2024-11-08 17:29:45,426 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:29:45,426 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:29:45,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:29:45,427 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:29:45,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:29:39" (3/4) ... [2024-11-08 17:29:45,431 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:29:45,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 17:29:45,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 17:29:45,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 17:29:45,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:29:45,444 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:29:45,549 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:29:45,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:29:45,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:29:45,551 INFO L158 Benchmark]: Toolchain (without parser) took 7154.52ms. Allocated memory was 132.1MB in the beginning and 209.7MB in the end (delta: 77.6MB). Free memory was 93.6MB in the beginning and 136.6MB in the end (delta: -43.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-08 17:29:45,553 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:29:45,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.35ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 80.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:29:45,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.52ms. Allocated memory is still 132.1MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:29:45,554 INFO L158 Benchmark]: Boogie Preprocessor took 37.39ms. Allocated memory is still 132.1MB. Free memory was 78.9MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:29:45,555 INFO L158 Benchmark]: RCFGBuilder took 317.37ms. Allocated memory is still 132.1MB. Free memory was 76.9MB in the beginning and 64.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:29:45,556 INFO L158 Benchmark]: TraceAbstraction took 6354.95ms. Allocated memory was 132.1MB in the beginning and 209.7MB in the end (delta: 77.6MB). Free memory was 64.3MB in the beginning and 141.8MB in the end (delta: -77.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-08 17:29:45,556 INFO L158 Benchmark]: Witness Printer took 124.02ms. Allocated memory is still 209.7MB. Free memory was 141.8MB in the beginning and 136.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:29:45,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.35ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 80.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.52ms. Allocated memory is still 132.1MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.39ms. Allocated memory is still 132.1MB. Free memory was 78.9MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.37ms. Allocated memory is still 132.1MB. Free memory was 76.9MB in the beginning and 64.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6354.95ms. Allocated memory was 132.1MB in the beginning and 209.7MB in the end (delta: 77.6MB). Free memory was 64.3MB in the beginning and 141.8MB in the end (delta: -77.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 124.02ms. Allocated memory is still 209.7MB. Free memory was 141.8MB in the beginning and 136.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 2, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 77 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 224/224 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((0 <= (var_1_6 + 128)) && (var_1_6 <= 127)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((0 <= (var_1_6 + 128)) && (var_1_6 <= 127)) Ensures: (((0 <= (var_1_6 + 128)) && (var_1_6 <= 127)) && (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 17:29:45,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11408f6-3956-4480-a98c-7f7e117231c9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE