./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx --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 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:26,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:26,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:29:26,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:26,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:26,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:26,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:26,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:26,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:26,251 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:26,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:29:26,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:29:26,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:26,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:26,255 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:26,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:26,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:29:26,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:26,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:29:26,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:26,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:26,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:29:26,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:29:26,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:29:26,260 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:26,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:26,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:26,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:26,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:26,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:29:26,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:29:26,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:26,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:26,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:29:26,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:29:26,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:29:26,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:29:26,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:29:26,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:29:26,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:29:26,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:29:26,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:29:26,268 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_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 [2023-11-21 22:29:26,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:26,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:26,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:26,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:26,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:26,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2023-11-21 22:29:29,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:29,977 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:29,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2023-11-21 22:29:29,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data/867ab17c4/2d19a60244764cf39fda85e29b5772ed/FLAGb0a6ec5b1 [2023-11-21 22:29:30,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data/867ab17c4/2d19a60244764cf39fda85e29b5772ed [2023-11-21 22:29:30,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:30,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:30,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:30,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:30,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:30,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c30a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30, skipping insertion in model container [2023-11-21 22:29:30,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:30,262 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2023-11-21 22:29:30,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:30,314 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:30,334 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2023-11-21 22:29:30,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:30,388 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:30,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30 WrapperNode [2023-11-21 22:29:30,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:30,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:30,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:30,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:30,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,447 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2023-11-21 22:29:30,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:30,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:30,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:30,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:30,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,465 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,477 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:29:30,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:30,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:30,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:30,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:30,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (1/1) ... [2023-11-21 22:29:30,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:30,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:30,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:30,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:29:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:29:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:29:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:29:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:30,736 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:30,738 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:31,119 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:31,348 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:31,348 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:29:31,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:31 BoogieIcfgContainer [2023-11-21 22:29:31,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:31,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:29:31,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:29:31,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:29:31,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:29:30" (1/3) ... [2023-11-21 22:29:31,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a7ea42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:31, skipping insertion in model container [2023-11-21 22:29:31,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:30" (2/3) ... [2023-11-21 22:29:31,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a7ea42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:31, skipping insertion in model container [2023-11-21 22:29:31,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:31" (3/3) ... [2023-11-21 22:29:31,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-96.i [2023-11-21 22:29:31,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:29:31,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:29:31,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:29:31,451 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f02535, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:29:31,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:29:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 22:29:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 22:29:31,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:31,466 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:31,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:31,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:31,472 INFO L85 PathProgramCache]: Analyzing trace with hash 565384076, now seen corresponding path program 1 times [2023-11-21 22:29:31,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:31,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984831392] [2023-11-21 22:29:31,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:31,632 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:29:31,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362432373] [2023-11-21 22:29:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:31,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:31,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:31,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:29:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:31,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:31,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:31,974 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:29:31,975 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:29:32,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:32,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:29:32,194 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:29:32,197 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:29:32,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:29:32 BoogieIcfgContainer [2023-11-21 22:29:32,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:29:32,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:29:32,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:29:32,306 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:29:32,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:31" (3/4) ... [2023-11-21 22:29:32,309 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:29:32,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:29:32,314 INFO L158 Benchmark]: Toolchain (without parser) took 2298.66ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 94.0MB in the beginning and 120.9MB in the end (delta: -26.9MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-21 22:29:32,315 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:32,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.98ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 81.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:29:32,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.25ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 78.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:32,317 INFO L158 Benchmark]: Boogie Preprocessor took 47.84ms. Allocated memory is still 140.5MB. Free memory was 78.4MB in the beginning and 75.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:32,317 INFO L158 Benchmark]: RCFGBuilder took 853.73ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 75.1MB in the beginning and 158.7MB in the end (delta: -83.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:32,318 INFO L158 Benchmark]: TraceAbstraction took 950.40ms. Allocated memory is still 192.9MB. Free memory was 157.6MB in the beginning and 120.9MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:32,319 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 192.9MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:32,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.98ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 81.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.25ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 78.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.84ms. Allocated memory is still 140.5MB. Free memory was 78.4MB in the beginning and 75.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 853.73ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 75.1MB in the beginning and 158.7MB in the end (delta: -83.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 950.40ms. Allocated memory is still 192.9MB. Free memory was 157.6MB in the beginning and 120.9MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 192.9MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 8; [L25] unsigned short int var_1_4 = 1000; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 0.125; [L32] signed long int var_1_11 = 50; [L33] float var_1_12 = 1000000000000.45; [L34] float var_1_13 = 128.5; [L35] float var_1_14 = 10000000.625; [L36] signed char var_1_15 = -5; [L37] signed char var_1_16 = 10; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L73] var_1_3 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L76] var_1_4 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L85] var_1_8 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L88] var_1_9 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L91] var_1_11 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L97] var_1_13 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L99] var_1_16 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1/8, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L114] RET updateVariables() [L115] CALL step() [L41] unsigned char stepLocal_0 = var_1_6; [L42] COND TRUE \read(var_1_2) [L43] COND TRUE stepLocal_0 && (var_1_7 || var_1_8) [L44] var_1_5 = var_1_9 [L47] var_1_14 = var_1_12 [L48] var_1_15 = var_1_16 [L49] COND FALSE !(! var_1_5) [L52] var_1_1 = var_1_4 [L54] signed long int stepLocal_1 = -2 / var_1_11; [L55] COND FALSE !(stepLocal_1 > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1)) [L58] COND TRUE \read(var_1_5) [L59] COND TRUE \read(var_1_5) [L60] var_1_10 = var_1_12 [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return (((((! var_1_5) ? (var_1_1 == ((unsigned short int) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((unsigned short int) var_1_4))) && (var_1_2 ? ((var_1_6 && (var_1_7 || var_1_8)) ? (var_1_5 == ((unsigned char) var_1_9)) : 1) : 1)) && (((-2 / var_1_11) > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1)) ? (var_1_10 == ((float) ((var_1_12 - var_1_13) + 9.8f))) : (var_1_5 ? (var_1_5 ? (var_1_10 == ((float) var_1_12)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_12))))) && (var_1_14 == ((float) var_1_12))) && (var_1_15 == ((signed char) var_1_16)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=1, var_1_12=2, var_1_13=3, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:29:32,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx --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 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:35,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:35,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:29:35,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:35,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:35,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:35,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:35,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:35,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:35,286 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:35,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:29:35,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:29:35,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:35,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:35,289 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:35,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:35,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:29:35,290 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:35,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:35,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:35,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:29:35,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:29:35,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:29:35,295 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:29:35,295 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:29:35,295 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:29:35,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:35,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:35,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:35,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:35,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:35,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:29:35,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:29:35,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:35,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:35,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:29:35,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:29:35,301 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:29:35,302 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:29:35,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:29:35,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:29:35,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:29:35,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:29:35,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:29:35,304 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:29:35,304 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_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 [2023-11-21 22:29:35,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:35,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:35,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:35,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:35,786 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:35,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2023-11-21 22:29:39,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:39,319 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:39,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2023-11-21 22:29:39,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data/9cbec5beb/8b11ac2171f4420ca44c66470d4401dc/FLAGbdac6eeb9 [2023-11-21 22:29:39,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/data/9cbec5beb/8b11ac2171f4420ca44c66470d4401dc [2023-11-21 22:29:39,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:39,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:39,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:39,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:39,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:39,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d377d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39, skipping insertion in model container [2023-11-21 22:29:39,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:39,602 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2023-11-21 22:29:39,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:39,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:39,728 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2023-11-21 22:29:39,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:39,790 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:39,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39 WrapperNode [2023-11-21 22:29:39,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:39,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:39,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:39,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:39,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,867 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-21 22:29:39,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:39,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:39,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:39,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:39,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,906 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,917 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:29:39,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:39,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:39,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:39,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:39,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (1/1) ... [2023-11-21 22:29:39,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:40,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:40,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:40,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:29:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:29:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:29:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:29:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:40,197 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:40,199 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:41,063 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:41,214 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:41,214 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:29:41,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:41 BoogieIcfgContainer [2023-11-21 22:29:41,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:41,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:29:41,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:29:41,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:29:41,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:29:39" (1/3) ... [2023-11-21 22:29:41,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22eb7fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:41, skipping insertion in model container [2023-11-21 22:29:41,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:39" (2/3) ... [2023-11-21 22:29:41,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22eb7fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:41, skipping insertion in model container [2023-11-21 22:29:41,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:41" (3/3) ... [2023-11-21 22:29:41,227 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-96.i [2023-11-21 22:29:41,248 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:29:41,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:29:41,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:29:41,306 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e8772df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:29:41,307 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:29:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 22:29:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 22:29:41,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:41,322 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:41,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:29:41,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:41,330 INFO L85 PathProgramCache]: Analyzing trace with hash 565384076, now seen corresponding path program 1 times [2023-11-21 22:29:41,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:29:41,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269159136] [2023-11-21 22:29:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:41,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:29:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:29:41,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:29:41,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f2b797c-b558-465f-9038-24cd5a1e843a/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:29:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:41,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 22:29:41,878 INFO L285 TraceCheckSpWp]: Computing forward predicates...