./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd --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 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:56:15,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:56:15,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:56:15,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:56:15,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:56:15,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:56:15,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:56:15,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:56:15,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:56:15,437 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:56:15,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:56:15,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:56:15,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:56:15,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:56:15,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:56:15,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:56:15,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:56:15,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:56:15,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:56:15,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:56:15,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:56:15,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:56:15,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:56:15,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:56:15,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:56:15,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:56:15,440 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd 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 -> 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 [2024-11-13 14:56:15,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:56:15,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:56:15,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:56:15,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:56:15,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:56:15,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i Unable to find full path for "g++" [2024-11-13 14:56:17,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:56:17,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:56:17,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-11-13 14:56:17,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data/b5a6e53b7/a57c62bf742e4d1f87dab17a3ca257c9/FLAG816316069 [2024-11-13 14:56:17,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data/b5a6e53b7/a57c62bf742e4d1f87dab17a3ca257c9 [2024-11-13 14:56:17,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:56:17,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:56:17,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:56:17,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:56:17,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:56:17,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:56:17" (1/1) ... [2024-11-13 14:56:17,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a203221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:17, skipping insertion in model container [2024-11-13 14:56:17,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:56:17" (1/1) ... [2024-11-13 14:56:17,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:56:18,146 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-13 14:56:18,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:56:18,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:56:18,215 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-13 14:56:18,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:56:18,261 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:56:18,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18 WrapperNode [2024-11-13 14:56:18,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:56:18,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:56:18,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:56:18,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:56:18,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,303 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-11-13 14:56:18,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:56:18,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:56:18,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:56:18,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:56:18,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,335 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:56:18,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:56:18,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:56:18,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:56:18,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:56:18,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (1/1) ... [2024-11-13 14:56:18,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:56:18,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:56:18,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:56:18,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:56:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:56:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:56:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:56:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:56:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:56:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:56:18,495 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:56:18,497 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:56:18,711 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 14:56:18,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:56:18,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:56:18,725 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:56:18,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:56:18 BoogieIcfgContainer [2024-11-13 14:56:18,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:56:18,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:56:18,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:56:18,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:56:18,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:56:17" (1/3) ... [2024-11-13 14:56:18,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e63499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:56:18, skipping insertion in model container [2024-11-13 14:56:18,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:18" (2/3) ... [2024-11-13 14:56:18,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e63499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:56:18, skipping insertion in model container [2024-11-13 14:56:18,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:56:18" (3/3) ... [2024-11-13 14:56:18,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-18.i [2024-11-13 14:56:18,757 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:56:18,760 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-18.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:56:18,833 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:56:18,854 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6346e50e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:56:18,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:56:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:56:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:56:18,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:56:18,866 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:56:18,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:56:18,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:56:18,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1842164283, now seen corresponding path program 1 times [2024-11-13 14:56:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:56:18,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651903981] [2024-11-13 14:56:18,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:56:18,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:56:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:56:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:56:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 14:56:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:56:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 14:56:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 14:56:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:56:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 14:56:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:56:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 14:56:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 14:56:19,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:56:19,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651903981] [2024-11-13 14:56:19,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651903981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:56:19,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:56:19,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:56:19,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160910523] [2024-11-13 14:56:19,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:56:19,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:56:19,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:56:19,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:56:19,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:56:19,154 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:56:19,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:56:19,178 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-11-13 14:56:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:56:19,182 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-11-13 14:56:19,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:56:19,187 INFO L225 Difference]: With dead ends: 67 [2024-11-13 14:56:19,188 INFO L226 Difference]: Without dead ends: 33 [2024-11-13 14:56:19,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:56:19,196 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:56:19,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:56:19,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-13 14:56:19,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-13 14:56:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:56:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-11-13 14:56:19,245 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 67 [2024-11-13 14:56:19,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:56:19,245 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-13 14:56:19,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:56:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 14:56:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:56:19,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:56:19,248 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:56:19,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:56:19,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:56:19,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:56:19,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1753237115, now seen corresponding path program 1 times [2024-11-13 14:56:19,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:56:19,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110426871] [2024-11-13 14:56:19,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:56:19,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:56:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:56:19,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:56:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:56:19,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:56:19,503 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:56:19,505 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:56:19,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:56:19,510 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:56:19,574 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:56:19,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:56:19 BoogieIcfgContainer [2024-11-13 14:56:19,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:56:19,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:56:19,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:56:19,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:56:19,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:56:18" (3/4) ... [2024-11-13 14:56:19,586 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:56:19,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:56:19,587 INFO L158 Benchmark]: Toolchain (without parser) took 1640.40ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 108.3MB in the end (delta: 10.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-13 14:56:19,588 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:56:19,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.05ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:56:19,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.71ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:56:19,589 INFO L158 Benchmark]: Boogie Preprocessor took 56.07ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:56:19,589 INFO L158 Benchmark]: RCFGBuilder took 365.50ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 92.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:56:19,589 INFO L158 Benchmark]: TraceAbstraction took 853.34ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 108.9MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:56:19,591 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 108.3MB in the end (delta: 622.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:56:19,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.05ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.71ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.07ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.50ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 92.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 853.34ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 108.9MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 108.3MB in the end (delta: 622.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] double var_1_2 = 24.75; [L24] double var_1_3 = 16.7; [L25] double var_1_4 = 0.8; [L26] signed short int var_1_5 = -1; [L27] signed short int var_1_6 = 4; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; VAL [isInitial=0, var_1_1=-1, var_1_2=99/4, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L65] isInitial = 1 [L66] FCALL initially() [L67] COND TRUE 1 [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L43] var_1_3 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L44] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L45] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L45] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L46] var_1_4 = __VERIFIER_nondet_double() [L47] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L47] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L48] var_1_5 = __VERIFIER_nondet_short() [L49] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L49] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L50] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L50] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L51] var_1_6 = __VERIFIER_nondet_short() [L52] CALL assume_abort_if_not(var_1_6 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L52] RET assume_abort_if_not(var_1_6 >= -16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L53] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L53] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L54] var_1_8 = __VERIFIER_nondet_uchar() [L55] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L55] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L56] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L56] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L69] RET updateVariables() [L70] CALL step() [L33] COND TRUE (var_1_2 + (15.3 / var_1_3)) > (- var_1_4) [L34] var_1_1 = (var_1_5 + var_1_6) VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L38] var_1_7 = var_1_8 VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return (((var_1_2 + (15.3 / var_1_3)) > (- var_1_4)) ? (var_1_1 == ((signed short int) (var_1_5 + var_1_6))) : (var_1_1 == ((signed short int) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))))) && (var_1_7 == ((unsigned char) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L19] reach_error() VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 43 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 180/180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:56:19,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd --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 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:56:22,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:56:22,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:56:22,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:56:22,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:56:22,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:56:22,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:56:22,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:56:22,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:56:22,601 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:56:22,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:56:22,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:56:22,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:56:22,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:56:22,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:56:22,602 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:56:22,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:56:22,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:56:22,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:56:22,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:56:22,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:56:22,605 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd 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 -> 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 [2024-11-13 14:56:22,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:56:22,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:56:22,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:56:22,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:56:22,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:56:22,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i Unable to find full path for "g++" [2024-11-13 14:56:24,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:56:25,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:56:25,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-11-13 14:56:25,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data/c0f2b334a/0b4bf1d3ac94445ba5b9f54d305f385c/FLAG3ad3fcf54 [2024-11-13 14:56:25,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/data/c0f2b334a/0b4bf1d3ac94445ba5b9f54d305f385c [2024-11-13 14:56:25,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:56:25,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:56:25,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:56:25,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:56:25,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:56:25,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4418a1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25, skipping insertion in model container [2024-11-13 14:56:25,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:56:25,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-13 14:56:25,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:56:25,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:56:25,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-13 14:56:25,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:56:25,438 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:56:25,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25 WrapperNode [2024-11-13 14:56:25,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:56:25,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:56:25,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:56:25,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:56:25,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,479 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-11-13 14:56:25,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:56:25,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:56:25,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:56:25,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:56:25,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,503 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:56:25,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:56:25,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:56:25,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:56:25,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:56:25,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (1/1) ... [2024-11-13 14:56:25,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:56:25,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:56:25,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:56:25,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:56:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:56:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:56:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:56:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:56:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:56:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:56:25,701 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:56:25,704 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:56:38,187 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 14:56:38,187 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:56:38,196 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:56:38,196 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:56:38,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:56:38 BoogieIcfgContainer [2024-11-13 14:56:38,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:56:38,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:56:38,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:56:38,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:56:38,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:56:25" (1/3) ... [2024-11-13 14:56:38,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99de94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:56:38, skipping insertion in model container [2024-11-13 14:56:38,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:56:25" (2/3) ... [2024-11-13 14:56:38,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99de94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:56:38, skipping insertion in model container [2024-11-13 14:56:38,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:56:38" (3/3) ... [2024-11-13 14:56:38,208 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-18.i [2024-11-13 14:56:38,223 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:56:38,225 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-18.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:56:38,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:56:38,289 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64e0c3ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:56:38,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:56:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:56:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:56:38,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:56:38,303 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:56:38,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:56:38,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:56:38,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1842164283, now seen corresponding path program 1 times [2024-11-13 14:56:38,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:56:38,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059705376] [2024-11-13 14:56:38,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:56:38,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:56:38,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:56:38,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:56:38,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 14:56:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:39,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:56:39,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:56:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-13 14:56:39,248 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:56:39,249 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:56:39,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059705376] [2024-11-13 14:56:39,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059705376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:56:39,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:56:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:56:39,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776160266] [2024-11-13 14:56:39,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:56:39,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:56:39,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:56:39,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:56:39,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:56:39,278 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:56:39,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:56:39,306 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-11-13 14:56:39,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:56:39,308 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-13 14:56:39,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:56:39,315 INFO L225 Difference]: With dead ends: 67 [2024-11-13 14:56:39,315 INFO L226 Difference]: Without dead ends: 33 [2024-11-13 14:56:39,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:56:39,323 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:56:39,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:56:39,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-13 14:56:39,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-13 14:56:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:56:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-11-13 14:56:39,373 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 67 [2024-11-13 14:56:39,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:56:39,375 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-13 14:56:39,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:56:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 14:56:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:56:39,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:56:39,380 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:56:39,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 14:56:39,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:56:39,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:56:39,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:56:39,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1753237115, now seen corresponding path program 1 times [2024-11-13 14:56:39,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:56:39,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206892064] [2024-11-13 14:56:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:56:39,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:56:39,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:56:39,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:56:39,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 14:56:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:56:40,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:56:40,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:56:48,623 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:56:56,860 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:00,928 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from false [2024-11-13 14:57:04,995 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from true [2024-11-13 14:57:13,140 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:22,054 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:26,124 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from false [2024-11-13 14:57:30,196 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from true [2024-11-13 14:57:43,364 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:47,436 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0)))) is different from false [2024-11-13 14:57:59,715 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:03,793 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-11-13 14:58:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 14:58:03,803 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:58:03,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:58:03,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206892064] [2024-11-13 14:58:03,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206892064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:58:03,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:58:03,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:58:03,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332604605] [2024-11-13 14:58:03,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:58:03,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:58:03,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:58:03,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:58:03,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-13 14:58:03,807 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:58:03,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:58:03,817 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2024-11-13 14:58:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:58:03,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-13 14:58:03,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:58:03,819 INFO L225 Difference]: With dead ends: 39 [2024-11-13 14:58:03,819 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 14:58:03,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-13 14:58:03,820 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 108 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:58:03,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 108 Unchecked, 0.0s Time] [2024-11-13 14:58:03,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 14:58:03,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-13 14:58:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:58:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2024-11-13 14:58:03,828 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 67 [2024-11-13 14:58:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:58:03,829 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2024-11-13 14:58:03,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:58:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-13 14:58:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 14:58:03,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:58:03,832 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:58:03,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 14:58:04,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:58:04,033 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:58:04,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:58:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1810495417, now seen corresponding path program 1 times [2024-11-13 14:58:04,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:58:04,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327514849] [2024-11-13 14:58:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:58:04,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:58:04,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:58:04,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:58:04,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 14:58:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:58:04,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:58:04,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:58:10,353 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:18,594 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:26,861 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:35,115 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:43,261 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:47,333 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from false [2024-11-13 14:58:51,400 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from true [2024-11-13 14:59:03,284 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:11,521 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:19,783 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:28,035 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:36,165 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:40,236 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from false [2024-11-13 14:59:44,301 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from true [2024-11-13 14:59:57,032 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:00:01,098 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0))))) is different from false [2024-11-13 15:00:10,297 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:00:14,377 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-11-13 15:00:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 15:00:14,389 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:00:14,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:00:14,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327514849] [2024-11-13 15:00:14,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327514849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:00:14,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:00:14,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:00:14,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703956488] [2024-11-13 15:00:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:00:14,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:00:14,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:00:14,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:00:14,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-13 15:00:14,391 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:00:14,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:00:14,401 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2024-11-13 15:00:14,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:00:14,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-13 15:00:14,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:00:14,402 INFO L225 Difference]: With dead ends: 37 [2024-11-13 15:00:14,402 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:00:14,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-13 15:00:14,404 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:00:14,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 103 Unchecked, 0.0s Time] [2024-11-13 15:00:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:00:14,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:00:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:00:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:00:14,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-13 15:00:14,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:00:14,409 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:00:14,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 15:00:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:00:14,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:00:14,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:00:14,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 15:00:14,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:00:14,617 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:00:14,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:00:14,650 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:00:14,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:00:14 BoogieIcfgContainer [2024-11-13 15:00:14,672 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:00:14,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:00:14,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:00:14,675 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:00:14,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:56:38" (3/4) ... [2024-11-13 15:00:14,679 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:00:14,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 15:00:14,690 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 15:00:14,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 15:00:14,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:00:14,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:00:14,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:00:14,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:00:14,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:00:14,791 INFO L158 Benchmark]: Toolchain (without parser) took 229667.02ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 60.7MB in the end (delta: 33.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-13 15:00:14,792 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:00:14,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.00ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:00:14,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.01ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:00:14,793 INFO L158 Benchmark]: Boogie Preprocessor took 49.25ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:00:14,793 INFO L158 Benchmark]: RCFGBuilder took 12666.61ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 65.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:00:14,794 INFO L158 Benchmark]: TraceAbstraction took 216472.20ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 65.8MB in the end (delta: -838.5kB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-13 15:00:14,794 INFO L158 Benchmark]: Witness Printer took 114.35ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 60.7MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:00:14,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.00ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.01ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.25ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 12666.61ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 65.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 216472.20ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 65.8MB in the end (delta: -838.5kB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 114.35ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 60.7MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 216.4s, OverallIterations: 3, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 284 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 211 IncrementalHoareTripleChecker+Unchecked, 157 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 127 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 212.9s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 4 QuantifiedInterpolants, 384 SizeOfPredicates, 18 NumberOfNonLiveVariables, 333 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 540/540 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:00:14,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990b6c19-2b8d-469a-9488-a3b90ed63268/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE