./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/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_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/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_669b48d1-78de-41dc-b94b-824c51826693/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 1a326c2fbbb6417ff70dc27510b2ae37e6b7c3658951387b9f90f15bb09c3ae0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:20:01,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:20:01,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:20:01,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:20:01,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:20:01,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:20:01,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:20:01,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:20:01,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:20:01,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:20:01,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:20:01,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:20:01,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:20:01,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:20:01,675 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:20:01,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:20:01,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:20:01,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:20:01,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:20:01,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:20:01,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:20:01,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:20:01,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:20:01,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:20:01,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:20:01,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:20:01,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:20:01,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:20:01,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:20:01,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:20:01,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:20:01,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:20:01,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:01,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:20:01,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:20:01,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:20:01,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:20:01,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:20:01,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:20:01,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:20:01,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:20:01,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:20:01,692 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_669b48d1-78de-41dc-b94b-824c51826693/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a326c2fbbb6417ff70dc27510b2ae37e6b7c3658951387b9f90f15bb09c3ae0 [2024-11-08 16:20:02,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:20:02,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:20:02,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:20:02,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:20:02,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:20:02,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i Unable to find full path for "g++" [2024-11-08 16:20:04,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:20:04,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:20:04,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i [2024-11-08 16:20:04,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data/5b7d6d400/bc61fa9c7dd845c9936b7956c0e2bacb/FLAG770c80e98 [2024-11-08 16:20:04,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data/5b7d6d400/bc61fa9c7dd845c9936b7956c0e2bacb [2024-11-08 16:20:04,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:20:04,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:20:04,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:04,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:20:05,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:20:05,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:04" (1/1) ... [2024-11-08 16:20:05,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21027ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05, skipping insertion in model container [2024-11-08 16:20:05,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:04" (1/1) ... [2024-11-08 16:20:05,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:20:05,284 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_669b48d1-78de-41dc-b94b-824c51826693/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i[915,928] [2024-11-08 16:20:05,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:05,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:20:05,391 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_669b48d1-78de-41dc-b94b-824c51826693/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i[915,928] [2024-11-08 16:20:05,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:05,449 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:20:05,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05 WrapperNode [2024-11-08 16:20:05,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:05,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:05,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:20:05,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:20:05,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,528 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-08 16:20:05,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:05,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:20:05,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:20:05,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:20:05,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,581 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 16:20:05,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:20:05,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:20:05,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:20:05,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:20:05,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (1/1) ... [2024-11-08 16:20:05,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:05,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:05,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:20:05,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:20:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:20:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:20:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:20:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:20:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:20:05,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:20:05,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:20:06,321 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 16:20:06,322 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:20:06,342 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:20:06,343 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:20:06,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:06 BoogieIcfgContainer [2024-11-08 16:20:06,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:20:06,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:20:06,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:20:06,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:20:06,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:20:04" (1/3) ... [2024-11-08 16:20:06,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eab740a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:06, skipping insertion in model container [2024-11-08 16:20:06,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:05" (2/3) ... [2024-11-08 16:20:06,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eab740a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:06, skipping insertion in model container [2024-11-08 16:20:06,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:06" (3/3) ... [2024-11-08 16:20:06,355 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-83.i [2024-11-08 16:20:06,375 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:20:06,375 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:20:06,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:20:06,458 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;@dd5a4ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:20:06,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:20:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:20:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:20:06,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:06,478 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:20:06,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:06,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1680170771, now seen corresponding path program 1 times [2024-11-08 16:20:06,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:06,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151612683] [2024-11-08 16:20:06,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:06,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:20:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:20:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:20:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 16:20:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 16:20:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:20:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:06,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 16:20:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 16:20:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 16:20:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:20:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:20:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:20:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 16:20:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:20:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 16:20:07,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:07,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151612683] [2024-11-08 16:20:07,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151612683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:07,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:07,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:20:07,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358115326] [2024-11-08 16:20:07,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:07,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:20:07,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:07,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:20:07,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:20:07,144 INFO L87 Difference]: Start difference. First operand has 46 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 16:20:07,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:07,189 INFO L93 Difference]: Finished difference Result 89 states and 144 transitions. [2024-11-08 16:20:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:20:07,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 95 [2024-11-08 16:20:07,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:07,205 INFO L225 Difference]: With dead ends: 89 [2024-11-08 16:20:07,205 INFO L226 Difference]: Without dead ends: 42 [2024-11-08 16:20:07,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 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 16:20:07,214 INFO L432 NwaCegarLoop]: 64 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, 64 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 16:20:07,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:07,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-08 16:20:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-08 16:20:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:20:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2024-11-08 16:20:07,290 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 95 [2024-11-08 16:20:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:07,291 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2024-11-08 16:20:07,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 16:20:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-08 16:20:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:20:07,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:07,297 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:20:07,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:20:07,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:07,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1648375655, now seen corresponding path program 1 times [2024-11-08 16:20:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:07,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292443288] [2024-11-08 16:20:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 16:20:07,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343475339] [2024-11-08 16:20:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:07,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:07,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:07,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:07,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:20:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:20:07,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:20:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:20:07,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:20:07,903 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:20:07,905 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:20:07,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:20:08,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:08,112 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:20:08,191 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:20:08,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:20:08 BoogieIcfgContainer [2024-11-08 16:20:08,196 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:20:08,197 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:20:08,197 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:20:08,197 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:20:08,198 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:06" (3/4) ... [2024-11-08 16:20:08,201 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:20:08,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:20:08,204 INFO L158 Benchmark]: Toolchain (without parser) took 3209.32ms. Allocated memory is still 153.1MB. Free memory was 122.5MB in the beginning and 73.4MB in the end (delta: 49.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-08 16:20:08,205 INFO L158 Benchmark]: CDTParser took 2.14ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:20:08,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.43ms. Allocated memory is still 153.1MB. Free memory was 122.5MB in the beginning and 107.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:20:08,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.09ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 104.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:20:08,207 INFO L158 Benchmark]: Boogie Preprocessor took 74.35ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 98.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:20:08,207 INFO L158 Benchmark]: RCFGBuilder took 738.41ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 81.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:20:08,208 INFO L158 Benchmark]: TraceAbstraction took 1849.71ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 74.2MB in the end (delta: 6.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-08 16:20:08,209 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 153.1MB. Free memory was 74.2MB in the beginning and 73.4MB in the end (delta: 775.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:20:08,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.43ms. Allocated memory is still 153.1MB. Free memory was 122.5MB in the beginning and 107.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.09ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 104.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.35ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 98.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 738.41ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 81.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1849.71ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 74.2MB in the end (delta: 6.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 153.1MB. Free memory was 74.2MB in the beginning and 73.4MB in the end (delta: 775.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryArithmeticDOUBLEoperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 25; [L25] unsigned char var_1_4 = 4; [L26] double var_1_8 = 49.8; [L27] double var_1_9 = 127.8; [L28] double var_1_10 = 7.2; [L29] signed char var_1_11 = -1; [L30] signed char var_1_12 = 2; [L31] signed char var_1_13 = 4; [L32] signed char var_1_14 = 16; [L33] unsigned short int var_1_15 = 0; VAL [isInitial=0, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=0, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L87] isInitial = 1 [L88] FCALL initially() [L89] int k_loop; [L90] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=0, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L90] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=0, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L90] COND TRUE k_loop < 1 [L91] FCALL updateLastVariables() [L92] CALL updateVariables() [L56] var_1_2 = __VERIFIER_nondet_uchar() [L57] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L57] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L58] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L58] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=25, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L59] var_1_3 = __VERIFIER_nondet_ushort() [L60] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L60] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L61] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L61] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=4, var_1_8=249/5, var_1_9=639/5] [L62] var_1_4 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_8=249/5, var_1_9=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_8=249/5, var_1_9=639/5] [L63] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_8=249/5, var_1_9=639/5] [L64] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_8=249/5, var_1_9=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_8=249/5, var_1_9=639/5] [L64] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_8=249/5, var_1_9=639/5] [L65] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5, var_1_9=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5, var_1_9=639/5] [L65] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5, var_1_9=639/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=36/5, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L68] var_1_10 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L69] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-1, var_1_12=2, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L70] var_1_12 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L71] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L72] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L72] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=4, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L73] var_1_13 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L74] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L75] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L75] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=16, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L76] var_1_14 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L78] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L78] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L92] RET updateVariables() [L93] CALL step() [L37] var_1_11 = ((var_1_12 + var_1_13) - ((((25) < (var_1_14)) ? (25) : (var_1_14)))) [L38] var_1_15 = var_1_14 [L39] signed long int stepLocal_0 = var_1_3 / var_1_4; VAL [isInitial=1, stepLocal_0=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=128, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L40] COND TRUE \read(var_1_2) [L41] var_1_1 = (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) VAL [isInitial=1, stepLocal_0=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=0, var_1_2=1, var_1_3=-65536, var_1_4=1, var_1_8=249/5] [L49] COND TRUE var_1_11 >= ((var_1_3 / var_1_4) + (var_1_1 * var_1_11)) [L50] var_1_8 = (var_1_9 + ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, stepLocal_0=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=0, var_1_2=1, var_1_3=-65536, var_1_4=1] [L93] RET step() [L94] CALL, EXPR property() [L83-L84] return (((var_1_2 ? (var_1_1 == ((unsigned short int) (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) : (((var_1_3 / var_1_4) >= (((((var_1_15 * var_1_15)) < (var_1_11)) ? ((var_1_15 * var_1_15)) : (var_1_11)))) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) 5)))) && ((var_1_11 >= ((var_1_3 / var_1_4) + (var_1_1 * var_1_11))) ? (var_1_8 == ((double) (var_1_9 + ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))) : (var_1_8 == ((double) var_1_9)))) && (var_1_11 == ((signed char) ((var_1_12 + var_1_13) - ((((25) < (var_1_14)) ? (25) : (var_1_14))))))) && (var_1_15 == ((unsigned short int) var_1_14)) ; VAL [\result=0, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=0, var_1_2=1, var_1_3=-65536, var_1_4=1] [L94] RET, EXPR property() [L94] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=0, var_1_2=1, var_1_3=-65536, var_1_4=1] [L19] reach_error() VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_1=0, var_1_2=1, var_1_3=-65536, var_1_4=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 64 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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 [2024-11-08 16:20:08,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/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_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/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 1a326c2fbbb6417ff70dc27510b2ae37e6b7c3658951387b9f90f15bb09c3ae0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:20:11,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:20:11,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:20:11,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:20:11,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:20:11,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:20:11,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:20:11,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:20:11,431 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:20:11,432 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:20:11,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:20:11,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:20:11,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:20:11,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:20:11,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:20:11,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:20:11,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:20:11,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:20:11,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:20:11,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:20:11,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:20:11,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:20:11,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:20:11,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:20:11,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:20:11,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:20:11,447 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:20:11,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:20:11,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:20:11,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:20:11,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:20:11,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:20:11,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:20:11,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:20:11,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:11,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:20:11,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:20:11,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:20:11,457 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:20:11,457 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:20:11,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:20:11,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:20:11,458 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:20:11,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:20:11,459 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_669b48d1-78de-41dc-b94b-824c51826693/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a326c2fbbb6417ff70dc27510b2ae37e6b7c3658951387b9f90f15bb09c3ae0 [2024-11-08 16:20:11,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:20:11,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:20:12,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:20:12,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:20:12,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:20:12,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i Unable to find full path for "g++" [2024-11-08 16:20:14,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:20:15,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:20:15,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i [2024-11-08 16:20:15,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data/01a393eda/dd7ffe73b561470998d4bec9083a0744/FLAG5c07098fb [2024-11-08 16:20:15,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/data/01a393eda/dd7ffe73b561470998d4bec9083a0744 [2024-11-08 16:20:15,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:20:15,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:20:15,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:15,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:20:15,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:20:15,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb3f763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15, skipping insertion in model container [2024-11-08 16:20:15,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:20:15,502 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_669b48d1-78de-41dc-b94b-824c51826693/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i[915,928] [2024-11-08 16:20:15,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:15,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:20:15,613 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_669b48d1-78de-41dc-b94b-824c51826693/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-83.i[915,928] [2024-11-08 16:20:15,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:15,675 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:20:15,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15 WrapperNode [2024-11-08 16:20:15,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:15,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:15,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:20:15,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:20:15,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,751 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-08 16:20:15,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:15,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:20:15,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:20:15,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:20:15,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,800 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 16:20:15,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:20:15,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:20:15,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:20:15,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:20:15,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (1/1) ... [2024-11-08 16:20:15,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:15,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:15,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:20:15,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:20:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:20:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:20:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:20:15,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:20:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:20:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:20:16,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:20:16,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:20:17,124 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 16:20:17,125 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:20:17,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:20:17,150 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:20:17,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:17 BoogieIcfgContainer [2024-11-08 16:20:17,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:20:17,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:20:17,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:20:17,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:20:17,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:20:15" (1/3) ... [2024-11-08 16:20:17,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:17, skipping insertion in model container [2024-11-08 16:20:17,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:15" (2/3) ... [2024-11-08 16:20:17,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:17, skipping insertion in model container [2024-11-08 16:20:17,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:17" (3/3) ... [2024-11-08 16:20:17,164 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-83.i [2024-11-08 16:20:17,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:20:17,188 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:20:17,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:20:17,280 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;@5cdcca88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:20:17,281 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:20:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:20:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:20:17,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:17,306 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:20:17,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:17,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:17,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1680170771, now seen corresponding path program 1 times [2024-11-08 16:20:17,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:20:17,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187492833] [2024-11-08 16:20:17,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:17,335 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 [2024-11-08 16:20:17,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:20:17,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:20:17,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:20:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:20:17,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:17,793 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-08 16:20:17,794 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:20:17,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:20:17,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187492833] [2024-11-08 16:20:17,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187492833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:17,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:17,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:20:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291341750] [2024-11-08 16:20:17,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:17,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:20:17,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:20:17,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:20:17,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:20:17,853 INFO L87 Difference]: Start difference. First operand has 46 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 16:20:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:17,892 INFO L93 Difference]: Finished difference Result 89 states and 144 transitions. [2024-11-08 16:20:17,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:20:17,894 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 95 [2024-11-08 16:20:17,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:17,901 INFO L225 Difference]: With dead ends: 89 [2024-11-08 16:20:17,902 INFO L226 Difference]: Without dead ends: 42 [2024-11-08 16:20:17,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 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 16:20:17,910 INFO L432 NwaCegarLoop]: 64 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, 64 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 16:20:17,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:17,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-08 16:20:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-08 16:20:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 16:20:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2024-11-08 16:20:17,967 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 95 [2024-11-08 16:20:17,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:17,968 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2024-11-08 16:20:17,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 16:20:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-08 16:20:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:20:17,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:17,974 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:20:17,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 16:20:18,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:20:18,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:18,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:18,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1648375655, now seen corresponding path program 1 times [2024-11-08 16:20:18,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:20:18,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160932588] [2024-11-08 16:20:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:18,179 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 [2024-11-08 16:20:18,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:20:18,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:20:18,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669b48d1-78de-41dc-b94b-824c51826693/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:20:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 16:20:18,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:21:02,932 WARN L286 SmtUtils]: Spent 19.10s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)