./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme --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 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:40:55,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:40:55,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:40:55,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:40:55,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:40:55,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:40:55,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:40:55,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:40:55,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:40:55,244 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:40:55,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:40:55,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:40:55,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:40:55,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:40:55,248 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:40:55,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:40:55,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:40:55,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:40:55,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:40:55,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:40:55,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:40:55,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:40:55,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:40:55,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:40:55,252 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:40:55,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:40:55,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:40:55,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:40:55,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:40:55,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:40:55,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:40:55,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:40:55,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:40:55,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:40:55,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:40:55,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:40:55,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:40:55,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:40:55,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:40:55,258 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:40:55,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:40:55,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:40:55,259 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_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b [2023-11-26 10:40:55,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:40:55,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:40:55,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:40:55,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:40:55,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:40:55,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-26 10:40:58,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:40:59,027 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:40:59,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-26 10:40:59,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data/20cbcf95d/04ca6879c631414f99b84b46d963c1c3/FLAG7707c830a [2023-11-26 10:40:59,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data/20cbcf95d/04ca6879c631414f99b84b46d963c1c3 [2023-11-26 10:40:59,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:40:59,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:40:59,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:40:59,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:40:59,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:40:59,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66893399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59, skipping insertion in model container [2023-11-26 10:40:59,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:40:59,290 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_d3374d61-23ba-4966-a3a3-ff12ca2d6358/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-26 10:40:59,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:40:59,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:40:59,370 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_d3374d61-23ba-4966-a3a3-ff12ca2d6358/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-26 10:40:59,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:40:59,426 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:40:59,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59 WrapperNode [2023-11-26 10:40:59,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:40:59,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:40:59,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:40:59,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:40:59,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,504 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-26 10:40:59,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:40:59,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:40:59,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:40:59,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:40:59,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,548 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:40:59,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:40:59,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:40:59,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:40:59,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:40:59,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (1/1) ... [2023-11-26 10:40:59,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:40:59,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:40:59,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:40:59,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:40:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:40:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:40:59,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:40:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:40:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:40:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:40:59,796 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:40:59,802 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:00,246 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:00,297 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:00,304 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:41:00,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:00 BoogieIcfgContainer [2023-11-26 10:41:00,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:00,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:00,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:00,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:00,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:40:59" (1/3) ... [2023-11-26 10:41:00,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7231b0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:00, skipping insertion in model container [2023-11-26 10:41:00,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:40:59" (2/3) ... [2023-11-26 10:41:00,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7231b0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:00, skipping insertion in model container [2023-11-26 10:41:00,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:00" (3/3) ... [2023-11-26 10:41:00,319 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-26 10:41:00,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:00,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:41:00,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:00,393 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;@5ffd4e9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:00,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:41:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:41:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-26 10:41:00,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:00,413 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:00,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:00,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:00,419 INFO L85 PathProgramCache]: Analyzing trace with hash 467567381, now seen corresponding path program 1 times [2023-11-26 10:41:00,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:00,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669590039] [2023-11-26 10:41:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:00,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:00,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:00,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669590039] [2023-11-26 10:41:00,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:41:00,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159005200] [2023-11-26 10:41:00,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:00,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:00,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:00,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:41:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:00,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:41:00,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-26 10:41:00,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:00,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159005200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:00,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:00,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:41:00,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273259872] [2023-11-26 10:41:00,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:00,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:41:00,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:01,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:41:01,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:01,010 INFO L87 Difference]: Start difference. First operand has 60 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:41:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:01,051 INFO L93 Difference]: Finished difference Result 117 states and 208 transitions. [2023-11-26 10:41:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:41:01,053 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2023-11-26 10:41:01,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:01,062 INFO L225 Difference]: With dead ends: 117 [2023-11-26 10:41:01,063 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 10:41:01,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:01,071 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:01,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 10:41:01,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 10:41:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:41:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 90 transitions. [2023-11-26 10:41:01,125 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 90 transitions. Word has length 124 [2023-11-26 10:41:01,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:01,126 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 90 transitions. [2023-11-26 10:41:01,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:41:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2023-11-26 10:41:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-26 10:41:01,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:01,131 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:01,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:01,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:41:01,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:01,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:01,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1742097719, now seen corresponding path program 1 times [2023-11-26 10:41:01,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:01,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035830371] [2023-11-26 10:41:01,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:01,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:01,433 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:01,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [96642603] [2023-11-26 10:41:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:01,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:01,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:01,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:01,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:41:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:01,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:41:01,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:41:04,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:04,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:04,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035830371] [2023-11-26 10:41:04,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:04,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96642603] [2023-11-26 10:41:04,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96642603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:04,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:04,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:41:04,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076490357] [2023-11-26 10:41:04,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:04,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:41:04,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:04,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:41:04,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:41:04,219 INFO L87 Difference]: Start difference. First operand 58 states and 90 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:41:04,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:04,588 INFO L93 Difference]: Finished difference Result 164 states and 251 transitions. [2023-11-26 10:41:04,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 10:41:04,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124 [2023-11-26 10:41:04,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:04,595 INFO L225 Difference]: With dead ends: 164 [2023-11-26 10:41:04,595 INFO L226 Difference]: Without dead ends: 107 [2023-11-26 10:41:04,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:41:04,598 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 146 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:04,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 339 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:41:04,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-26 10:41:04,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 68. [2023-11-26 10:41:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.434782608695652) internal successors, (66), 46 states have internal predecessors, (66), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:41:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 106 transitions. [2023-11-26 10:41:04,631 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 106 transitions. Word has length 124 [2023-11-26 10:41:04,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:04,635 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 106 transitions. [2023-11-26 10:41:04,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:41:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 106 transitions. [2023-11-26 10:41:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-26 10:41:04,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:04,643 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:04,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:04,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:04,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:04,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:04,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2135124729, now seen corresponding path program 1 times [2023-11-26 10:41:04,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:04,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233448196] [2023-11-26 10:41:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:04,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:04,915 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:04,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341667030] [2023-11-26 10:41:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:04,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:04,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:04,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:04,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:41:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:05,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-26 10:41:05,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 429 proven. 39 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-26 10:41:08,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 69 proven. 42 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2023-11-26 10:41:10,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:10,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233448196] [2023-11-26 10:41:10,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:10,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341667030] [2023-11-26 10:41:10,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341667030] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:41:10,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:41:10,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-11-26 10:41:10,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125234498] [2023-11-26 10:41:10,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:41:10,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-26 10:41:10,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:10,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-26 10:41:10,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2023-11-26 10:41:10,290 INFO L87 Difference]: Start difference. First operand 68 states and 106 transitions. Second operand has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 8 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-26 10:41:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:12,274 INFO L93 Difference]: Finished difference Result 305 states and 453 transitions. [2023-11-26 10:41:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-26 10:41:12,276 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 8 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) Word has length 124 [2023-11-26 10:41:12,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:12,279 INFO L225 Difference]: With dead ends: 305 [2023-11-26 10:41:12,280 INFO L226 Difference]: Without dead ends: 238 [2023-11-26 10:41:12,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=634, Invalid=1916, Unknown=0, NotChecked=0, Total=2550 [2023-11-26 10:41:12,288 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 431 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:12,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 499 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 10:41:12,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-26 10:41:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 171. [2023-11-26 10:41:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 114 states have internal predecessors, (153), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-26 10:41:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 255 transitions. [2023-11-26 10:41:12,361 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 255 transitions. Word has length 124 [2023-11-26 10:41:12,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:12,363 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 255 transitions. [2023-11-26 10:41:12,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 8 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-26 10:41:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-11-26 10:41:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-26 10:41:12,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:12,372 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:12,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:12,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:12,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:12,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:12,580 INFO L85 PathProgramCache]: Analyzing trace with hash 151104452, now seen corresponding path program 1 times [2023-11-26 10:41:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:12,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872196179] [2023-11-26 10:41:12,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:12,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:12,635 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:12,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491790630] [2023-11-26 10:41:12,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:12,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:12,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:12,637 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:41:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:12,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:13,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:13,006 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:41:13,007 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:41:13,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:13,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:13,219 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:41:13,222 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:41:13,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 10:41:13,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 10:41:13,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:41:13 BoogieIcfgContainer [2023-11-26 10:41:13,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:41:13,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:41:13,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:41:13,325 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:41:13,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:00" (3/4) ... [2023-11-26 10:41:13,328 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:41:13,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:41:13,330 INFO L158 Benchmark]: Toolchain (without parser) took 14265.19ms. Allocated memory was 159.4MB in the beginning and 333.4MB in the end (delta: 174.1MB). Free memory was 125.6MB in the beginning and 157.4MB in the end (delta: -31.7MB). Peak memory consumption was 145.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:13,330 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:13,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.69ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 112.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:41:13,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.55ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 109.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:13,332 INFO L158 Benchmark]: Boogie Preprocessor took 55.44ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 106.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:13,332 INFO L158 Benchmark]: RCFGBuilder took 734.62ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 85.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:41:13,333 INFO L158 Benchmark]: TraceAbstraction took 13015.48ms. Allocated memory was 159.4MB in the beginning and 333.4MB in the end (delta: 174.1MB). Free memory was 85.4MB in the beginning and 158.4MB in the end (delta: -73.0MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:13,333 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 333.4MB. Free memory was 158.4MB in the beginning and 157.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:13,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.69ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 112.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.55ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 109.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.44ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 106.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.62ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 85.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13015.48ms. Allocated memory was 159.4MB in the beginning and 333.4MB in the end (delta: 174.1MB). Free memory was 85.4MB in the beginning and 158.4MB in the end (delta: -73.0MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 333.4MB. Free memory was 158.4MB in the beginning and 157.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 27. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.9; [L23] unsigned long int var_1_2 = 128; [L24] unsigned long int var_1_3 = 2941876006; [L25] unsigned long int var_1_5 = 256; [L26] float var_1_6 = 63.5; [L27] float var_1_7 = -0.151; [L28] float var_1_8 = 0.8; [L29] double var_1_9 = 9.5; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] unsigned char var_1_12 = 0; [L33] signed short int var_1_13 = -2; [L34] unsigned char var_1_16 = 10; [L35] unsigned short int var_1_17 = 8; [L36] unsigned char var_1_18 = 16; [L37] unsigned char last_1_var_1_16 = 10; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L105] last_1_var_1_16 = var_1_16 [L115] RET updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L74] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L74] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L75] var_1_3 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L76] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L77] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L77] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L78] var_1_5 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L79] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L80] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L80] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L81] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L81] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L82] var_1_6 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L83] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L84] var_1_7 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L85] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L86] var_1_8 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_9=19/2] [L87] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1, var_1_9=19/2] [L88] var_1_9 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L89] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L90] var_1_11 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L91] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L92] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L92] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L93] var_1_12 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L94] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L95] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L95] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L96] var_1_17 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L97] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L98] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L98] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L99] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L99] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=16, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L100] var_1_18 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L101] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L102] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L102] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L116] RET updateVariables() [L117] CALL step() [L41] signed long int stepLocal_1 = last_1_var_1_16; [L42] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L43] COND TRUE stepLocal_1 <= (var_1_3 - last_1_var_1_16) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=9/10, var_1_3=4294967295, var_1_5=1] [L44] COND FALSE !(stepLocal_0 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) [L49] var_1_1 = var_1_9 VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=2, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L52] COND TRUE var_1_1 < var_1_1 [L53] var_1_10 = (! (var_1_11 && var_1_12)) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=2, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L55] EXPR var_1_2 & (var_1_5 / var_1_17) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L55] unsigned long int stepLocal_2 = var_1_2 & (var_1_5 / var_1_17); [L56] COND FALSE !(stepLocal_2 > var_1_3) [L63] var_1_16 = var_1_18 VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, stepLocal_2=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L65] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10, stepLocal_2=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L108-L109] return ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=2, var_1_18=0, var_1_1=2, var_1_2=0, var_1_3=4294967295, var_1_5=1, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 578 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 577 mSDsluCounter, 925 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 868 IncrementalHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 259 mSDtfsCounter, 868 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 530 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=3, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 106 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 621 NumberOfCodeBlocks, 621 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 2657 SizeOfPredicates, 19 NumberOfNonLiveVariables, 832 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2959/3040 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 [2023-11-26 10:41:13,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme --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 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:16,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:16,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:41:16,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:16,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:16,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:16,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:16,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:16,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:16,286 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:16,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:16,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:16,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:16,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:16,290 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:16,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:16,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:16,291 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:41:16,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:41:16,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:16,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:16,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:16,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:16,294 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:41:16,295 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:41:16,295 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:41:16,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:41:16,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:16,296 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:16,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:16,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:16,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:16,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:16,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:16,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:16,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:16,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:16,301 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:41:16,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:41:16,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:16,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:16,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:16,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:16,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:16,303 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:41:16,303 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_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b [2023-11-26 10:41:16,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:16,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:16,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:16,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:16,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:16,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-26 10:41:19,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:20,224 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:20,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-26 10:41:20,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data/171abaf85/e27ee4bf4e7a47a892b87bb07852e4c3/FLAGc516b659a [2023-11-26 10:41:20,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/data/171abaf85/e27ee4bf4e7a47a892b87bb07852e4c3 [2023-11-26 10:41:20,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:20,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:20,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:20,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:20,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:20,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db7db27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20, skipping insertion in model container [2023-11-26 10:41:20,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:20,536 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_d3374d61-23ba-4966-a3a3-ff12ca2d6358/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-26 10:41:20,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:20,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:20,673 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_d3374d61-23ba-4966-a3a3-ff12ca2d6358/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2023-11-26 10:41:20,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:20,770 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:20,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20 WrapperNode [2023-11-26 10:41:20,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:20,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:20,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:20,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:20,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,855 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-26 10:41:20,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:20,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:20,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:20,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:20,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,914 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:41:20,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:20,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:20,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:20,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:20,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (1/1) ... [2023-11-26 10:41:20,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:20,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:21,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:21,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:41:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:41:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:41:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:21,189 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:21,192 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:23,273 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:23,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:23,331 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:41:23,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:23 BoogieIcfgContainer [2023-11-26 10:41:23,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:23,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:23,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:23,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:23,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:20" (1/3) ... [2023-11-26 10:41:23,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bee5ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:23, skipping insertion in model container [2023-11-26 10:41:23,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:20" (2/3) ... [2023-11-26 10:41:23,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bee5ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:23, skipping insertion in model container [2023-11-26 10:41:23,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:23" (3/3) ... [2023-11-26 10:41:23,341 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-64.i [2023-11-26 10:41:23,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:23,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:41:23,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:23,415 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;@4ca601bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:23,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:41:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:41:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-26 10:41:23,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:23,437 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:23,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:23,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash -757313963, now seen corresponding path program 1 times [2023-11-26 10:41:23,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:23,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718526266] [2023-11-26 10:41:23,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:23,457 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 [2023-11-26 10:41:23,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:23,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:41:23,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:41:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:24,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:41:24,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-26 10:41:24,065 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:24,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:24,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718526266] [2023-11-26 10:41:24,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [718526266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:24,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:24,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:41:24,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588565836] [2023-11-26 10:41:24,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:24,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:41:24,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:24,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:41:24,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:24,107 INFO L87 Difference]: Start difference. First operand has 53 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:41:26,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:41:26,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:26,553 INFO L93 Difference]: Finished difference Result 103 states and 184 transitions. [2023-11-26 10:41:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:41:26,590 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 121 [2023-11-26 10:41:26,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:26,598 INFO L225 Difference]: With dead ends: 103 [2023-11-26 10:41:26,599 INFO L226 Difference]: Without dead ends: 51 [2023-11-26 10:41:26,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:26,606 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:26,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-26 10:41:26,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-26 10:41:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-26 10:41:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:41:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 77 transitions. [2023-11-26 10:41:26,650 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 77 transitions. Word has length 121 [2023-11-26 10:41:26,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:26,651 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 77 transitions. [2023-11-26 10:41:26,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:41:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-26 10:41:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-26 10:41:26,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:26,655 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:26,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:26,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:41:26,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:26,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,858 INFO L85 PathProgramCache]: Analyzing trace with hash -395390557, now seen corresponding path program 1 times [2023-11-26 10:41:26,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:26,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103837099] [2023-11-26 10:41:26,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,860 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 [2023-11-26 10:41:26,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:26,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:41:26,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3374d61-23ba-4966-a3a3-ff12ca2d6358/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:41:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 10:41:27,407 INFO L285 TraceCheckSpWp]: Computing forward predicates...