./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:32,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:32,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:48:32,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:32,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:32,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:32,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:32,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:32,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:48:32,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:48:32,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:32,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:32,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:32,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:32,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:32,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:32,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:32,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:32,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:32,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:32,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:32,965 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:48:32,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:48:32,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:32,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:32,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:32,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:32,966 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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 -> 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 [2024-11-13 13:48:33,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:33,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:33,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:33,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:33,337 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:33,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i Unable to find full path for "g++" [2024-11-13 13:48:35,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:35,541 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:35,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i [2024-11-13 13:48:35,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data/5d464b6b2/884fda2afb824cb4a5dc09647046d380/FLAG8501942bd [2024-11-13 13:48:35,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data/5d464b6b2/884fda2afb824cb4a5dc09647046d380 [2024-11-13 13:48:35,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:35,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:35,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:35,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:35,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:35,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:35" (1/1) ... [2024-11-13 13:48:35,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e139fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:35, skipping insertion in model container [2024-11-13 13:48:35,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:35" (1/1) ... [2024-11-13 13:48:35,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:36,104 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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2024-11-13 13:48:36,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:36,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:36,207 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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2024-11-13 13:48:36,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:36,303 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:36,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36 WrapperNode [2024-11-13 13:48:36,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:36,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:36,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:36,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:36,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,398 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-13 13:48:36,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:36,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:36,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:36,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:36,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,457 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 13:48:36,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:36,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:36,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:36,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:36,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (1/1) ... [2024-11-13 13:48:36,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:36,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:36,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:36,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:48:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:48:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:48:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:36,708 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:36,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:37,169 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 13:48:37,169 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:37,182 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:37,182 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:48:37,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:37 BoogieIcfgContainer [2024-11-13 13:48:37,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:37,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:37,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:37,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:37,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:35" (1/3) ... [2024-11-13 13:48:37,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb8056a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:37, skipping insertion in model container [2024-11-13 13:48:37,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:36" (2/3) ... [2024-11-13 13:48:37,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb8056a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:37, skipping insertion in model container [2024-11-13 13:48:37,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:37" (3/3) ... [2024-11-13 13:48:37,195 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-37.i [2024-11-13 13:48:37,215 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:37,217 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-37.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:48:37,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:37,322 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;@53469ecc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:37,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:48:37,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 13:48:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 13:48:37,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:37,338 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:37,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:37,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:37,344 INFO L85 PathProgramCache]: Analyzing trace with hash 713575329, now seen corresponding path program 1 times [2024-11-13 13:48:37,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:37,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496432180] [2024-11-13 13:48:37,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:37,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:48:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:48:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:48:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:48:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:48:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:48:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:48:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:48:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:48:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:48:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:48:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:48:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:48:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 13:48:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 13:48:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 13:48:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 13:48:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 13:48:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 13:48:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 13:48:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:48:37,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:37,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496432180] [2024-11-13 13:48:37,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496432180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:37,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:37,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:37,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589884940] [2024-11-13 13:48:37,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:37,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:48:37,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:48:37,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:37,958 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:48:37,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:37,988 INFO L93 Difference]: Finished difference Result 119 states and 204 transitions. [2024-11-13 13:48:37,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:48:37,990 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-11-13 13:48:37,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:37,998 INFO L225 Difference]: With dead ends: 119 [2024-11-13 13:48:37,998 INFO L226 Difference]: Without dead ends: 59 [2024-11-13 13:48:38,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 13:48:38,005 INFO L432 NwaCegarLoop]: 87 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, 87 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 13:48:38,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:38,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-13 13:48:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-13 13:48:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 13:48:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-13 13:48:38,073 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 129 [2024-11-13 13:48:38,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:38,075 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-13 13:48:38,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:48:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-13 13:48:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 13:48:38,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:38,081 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:38,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:48:38,082 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:38,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:38,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1815692125, now seen corresponding path program 1 times [2024-11-13 13:48:38,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:38,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551256611] [2024-11-13 13:48:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:38,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:38,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220655458] [2024-11-13 13:48:38,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:38,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:38,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:38,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:38,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:48:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:38,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:38,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:39,000 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:48:39,003 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:48:39,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:48:39,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 13:48:39,208 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:48:39,350 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:48:39,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:48:39 BoogieIcfgContainer [2024-11-13 13:48:39,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:48:39,356 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:48:39,356 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:48:39,357 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:48:39,357 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:37" (3/4) ... [2024-11-13 13:48:39,359 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:48:39,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:48:39,362 INFO L158 Benchmark]: Toolchain (without parser) took 3522.70ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 78.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,363 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:39,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.50ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 79.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.97ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:39,365 INFO L158 Benchmark]: Boogie Preprocessor took 96.38ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,365 INFO L158 Benchmark]: RCFGBuilder took 686.98ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 51.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,367 INFO L158 Benchmark]: TraceAbstraction took 2169.72ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 79.6MB in the end (delta: -28.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,367 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 78.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:39,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.50ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 79.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.97ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 96.38ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 686.98ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 51.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2169.72ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 79.6MB in the end (delta: -28.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 78.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 256; [L23] unsigned short int var_1_2 = 51640; [L24] unsigned short int var_1_3 = 5; [L25] float var_1_7 = 128.8; [L26] unsigned char var_1_8 = 2; [L27] float var_1_9 = 256.5; [L28] float var_1_10 = 7.25; [L29] signed char var_1_11 = 64; [L30] signed char var_1_12 = -16; [L31] double var_1_13 = 0.9; [L32] unsigned char var_1_14 = 1; [L33] double var_1_15 = 0.0; [L34] double var_1_16 = 1.275; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 35331; [L37] signed char var_1_19 = -128; [L38] double var_1_20 = 0.0; [L39] double var_1_21 = 0.0; [L40] signed char var_1_22 = -8; [L41] float last_1_var_1_10 = 7.25; [L42] double last_1_var_1_13 = 0.9; [L43] unsigned short int last_1_var_1_17 = 8; [L44] signed char last_1_var_1_19 = -128; VAL [isInitial=0, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=51640, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L124] last_1_var_1_10 = var_1_10 [L125] last_1_var_1_13 = var_1_13 [L126] last_1_var_1_17 = var_1_17 [L127] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=51640, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L91] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L93] var_1_3 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L96] var_1_8 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_9=513/2] [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_9=513/2] [L98] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_9=513/2] [L98] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_9=513/2] [L99] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=513/2] [L99] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=513/2] [L100] var_1_9 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L101] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L102] var_1_12 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L103] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L104] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L104] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L105] var_1_14 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L106] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L107] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L107] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L108] var_1_15 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L109] RET assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L110] var_1_16 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L111] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L112] var_1_18 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_18 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L113] RET assume_abort_if_not(var_1_18 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L114] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L114] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L115] var_1_20 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L116] RET assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L117] var_1_21 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L118] RET assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L119] var_1_22 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L120] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L121] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L121] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L138] RET updateVariables() [L139] CALL step() [L48] signed long int stepLocal_2 = var_1_3 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32638, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L49] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32638, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L60] COND TRUE var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16)) [L61] var_1_19 = ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32638, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L65] var_1_17 = (var_1_18 - var_1_3) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32638, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65] [L66] COND TRUE (var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10) [L67] var_1_10 = var_1_9 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32638, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] [L69] COND FALSE !(var_1_10 >= var_1_10) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32638, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] [L74] COND TRUE (var_1_2 - var_1_3) > var_1_17 [L75] var_1_1 = (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32638, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=1, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] [L79] signed long int stepLocal_1 = var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))); [L80] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32766, stepLocal_1=0, stepLocal_2=32638, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=1, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] [L81] COND FALSE !((var_1_19 / var_1_8) < stepLocal_1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=32766, stepLocal_2=32638, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=1, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return ((((((((var_1_2 - var_1_3) > var_1_17) ? (var_1_1 == ((signed long int) (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))))) : (var_1_1 == ((signed long int) 0))) && (((var_1_19 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_10) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((last_1_var_1_13 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : ((((((last_1_var_1_17) < ((var_1_2 * last_1_var_1_17))) ? (last_1_var_1_17) : ((var_1_2 * last_1_var_1_17)))) == (var_1_3 + last_1_var_1_19)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))))) : (var_1_19 == ((signed char) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=1, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=1, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=1, var_1_18=32767, var_1_19=66, var_1_1=1, var_1_22=66, var_1_2=32768, var_1_3=32766, var_1_7=644/5, var_1_8=65, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 20, 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, 87 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, 87 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 13:48:39,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:42,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:42,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:48:42,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:42,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:42,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:42,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:42,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:42,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:48:42,335 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:48:42,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:42,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:42,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:42,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:42,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:42,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:42,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:42,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:48:42,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:48:42,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:42,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:42,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:42,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:42,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:48:42,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:48:42,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:42,342 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:48:42,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:48:42,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:42,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:42,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:42,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:48:42,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:42,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:42,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:42,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:42,344 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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 -> 5cf74ef8157d1079554651ff4df98a0c43f2734563c7187d0bdfddb4deb62355 [2024-11-13 13:48:42,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:42,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:42,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:42,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:42,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:42,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i Unable to find full path for "g++" [2024-11-13 13:48:44,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:45,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:45,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i [2024-11-13 13:48:45,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data/b6ae4ad02/ca830391fc7c4396a9e8cb0440eec899/FLAGd459f9ef8 [2024-11-13 13:48:45,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/data/b6ae4ad02/ca830391fc7c4396a9e8cb0440eec899 [2024-11-13 13:48:45,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:45,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:45,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:45,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:45,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:45,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27289d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45, skipping insertion in model container [2024-11-13 13:48:45,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:45,329 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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2024-11-13 13:48:45,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:45,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:45,432 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_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-37.i[915,928] [2024-11-13 13:48:45,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:45,492 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:45,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45 WrapperNode [2024-11-13 13:48:45,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:45,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:45,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:45,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:45,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,556 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-13 13:48:45,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:45,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:45,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:45,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:45,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,584 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 13:48:45,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:45,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:45,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:45,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:45,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (1/1) ... [2024-11-13 13:48:45,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:45,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:45,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:45,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:48:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:48:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:48:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:45,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:45,805 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:57,675 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 13:48:57,677 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:57,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:57,689 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:48:57,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:57 BoogieIcfgContainer [2024-11-13 13:48:57,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:57,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:57,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:57,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:57,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:45" (1/3) ... [2024-11-13 13:48:57,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffa1259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:57, skipping insertion in model container [2024-11-13 13:48:57,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:45" (2/3) ... [2024-11-13 13:48:57,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffa1259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:57, skipping insertion in model container [2024-11-13 13:48:57,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:57" (3/3) ... [2024-11-13 13:48:57,700 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-37.i [2024-11-13 13:48:57,713 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:57,715 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-37.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:48:57,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:57,777 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;@fdedc02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:57,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:48:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 13:48:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 13:48:57,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:57,794 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:57,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:57,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash 713575329, now seen corresponding path program 1 times [2024-11-13 13:48:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:57,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939062568] [2024-11-13 13:48:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:57,812 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 13:48:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:48:57,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:48:57,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:48:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:58,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:48:58,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-13 13:48:58,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:58,593 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:48:58,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939062568] [2024-11-13 13:48:58,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939062568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:58,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:58,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:58,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991432438] [2024-11-13 13:48:58,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:58,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:48:58,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:48:58,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:48:58,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:58,630 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:48:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:58,657 INFO L93 Difference]: Finished difference Result 119 states and 204 transitions. [2024-11-13 13:48:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:48:58,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-11-13 13:48:58,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:58,668 INFO L225 Difference]: With dead ends: 119 [2024-11-13 13:48:58,668 INFO L226 Difference]: Without dead ends: 59 [2024-11-13 13:48:58,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 13:48:58,679 INFO L432 NwaCegarLoop]: 87 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, 87 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 13:48:58,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:58,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-13 13:48:58,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-13 13:48:58,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 13:48:58,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-13 13:48:58,740 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 129 [2024-11-13 13:48:58,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:58,741 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-13 13:48:58,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:48:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-13 13:48:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 13:48:58,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:58,750 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:58,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:58,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:48:58,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:58,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:58,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1815692125, now seen corresponding path program 1 times [2024-11-13 13:48:58,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:58,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363527893] [2024-11-13 13:48:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:58,956 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 13:48:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:48:58,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:48:58,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:48:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:59,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:48:59,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 384 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-13 13:49:04,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:49:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 36 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 13:49:05,886 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:49:05,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363527893] [2024-11-13 13:49:05,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363527893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:49:05,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:49:05,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 13:49:05,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723157740] [2024-11-13 13:49:05,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:49:05,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:49:05,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:49:05,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:49:05,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:49:05,891 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-13 13:49:10,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:13,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:14,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:16,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:21,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:25,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:29,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:29,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:29,148 INFO L93 Difference]: Finished difference Result 121 states and 176 transitions. [2024-11-13 13:49:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:49:29,192 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 129 [2024-11-13 13:49:29,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:29,194 INFO L225 Difference]: With dead ends: 121 [2024-11-13 13:49:29,194 INFO L226 Difference]: Without dead ends: 65 [2024-11-13 13:49:29,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:49:29,196 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 188 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 141 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:29,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 109 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 22.4s Time] [2024-11-13 13:49:29,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-13 13:49:29,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2024-11-13 13:49:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 13:49:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2024-11-13 13:49:29,215 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 129 [2024-11-13 13:49:29,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:29,216 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2024-11-13 13:49:29,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-13 13:49:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2024-11-13 13:49:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 13:49:29,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:29,220 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:29,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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)] Forceful destruction successful, exit code 0 [2024-11-13 13:49:29,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:49:29,424 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:49:29,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:29,425 INFO L85 PathProgramCache]: Analyzing trace with hash -345653826, now seen corresponding path program 1 times [2024-11-13 13:49:29,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:49:29,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548512581] [2024-11-13 13:49:29,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:29,426 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 13:49:29,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:49:29,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:49:29,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:49:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:30,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:49:30,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:49:30,239 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:49:30,239 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:49:30,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548512581] [2024-11-13 13:49:30,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548512581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:49:30,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:49:30,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:49:30,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271687940] [2024-11-13 13:49:30,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:49:30,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:49:30,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:49:30,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:49:30,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:49:30,245 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 13:49:34,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:49:34,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:34,769 INFO L93 Difference]: Finished difference Result 139 states and 197 transitions. [2024-11-13 13:49:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:49:34,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-11-13 13:49:34,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:34,772 INFO L225 Difference]: With dead ends: 139 [2024-11-13 13:49:34,772 INFO L226 Difference]: Without dead ends: 79 [2024-11-13 13:49:34,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:49:34,774 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:34,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 165 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-13 13:49:34,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-13 13:49:34,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-11-13 13:49:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 13:49:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2024-11-13 13:49:34,793 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 130 [2024-11-13 13:49:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:34,794 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2024-11-13 13:49:34,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 13:49:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-11-13 13:49:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 13:49:34,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:34,797 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:34,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:49:34,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:49:34,998 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:49:34,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:34,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1155000452, now seen corresponding path program 1 times [2024-11-13 13:49:34,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:49:34,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505455785] [2024-11-13 13:49:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:34,999 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 13:49:34,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:49:35,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 13:49:35,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff3670-2ccc-4a89-9b5c-3c8047908b8f/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 (5)] Waiting until timeout for monitored process [2024-11-13 13:49:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:35,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 13:49:35,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:50:13,792 WARN L286 SmtUtils]: Spent 6.27s 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 13:50:32,820 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_9~0 .cse0) (fp.geq c_~var_1_9~0 .cse1)) (and (fp.leq c_~var_1_9~0 (fp.neg .cse1)) (fp.geq c_~var_1_9~0 (fp.neg .cse0))))) (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (not (= (_ bv0 32) ((_ zero_extend 24) c_~var_1_8~0))) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32)) (= (_ bv0 8) c_~var_1_14~0) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (= (_ bv64 8) c_~var_1_11~0)) is different from true [2024-11-13 13:51:16,895 WARN L286 SmtUtils]: Spent 7.11s 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 13:52:44,693 WARN L286 SmtUtils]: Spent 32.99s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 13:53:04,838 WARN L286 SmtUtils]: Spent 6.38s 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 13:53:11,319 WARN L286 SmtUtils]: Spent 6.48s 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 13:53:39,234 WARN L286 SmtUtils]: Spent 6.56s 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 13:53:44,657 WARN L286 SmtUtils]: Spent 5.42s 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 13:53:48,683 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_9~0 .cse0) (fp.geq c_~var_1_9~0 .cse1)) (and (fp.leq c_~var_1_9~0 (fp.neg .cse1)) (fp.geq c_~var_1_9~0 (fp.neg .cse0))))) (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (not (= (_ bv0 32) ((_ zero_extend 24) c_~var_1_8~0))) (= c_~var_1_10~0 c_~var_1_9~0) (bvsge ((_ zero_extend 16) c_~var_1_2~0) (_ bv32767 32)) (= (_ bv0 8) c_~var_1_14~0) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_3~0)) ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse4 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse2)) .cse3) (and (not .cse3) (= c_~var_1_19~0 ((_ extract 7 0) .cse4)))))) (= (_ bv64 8) c_~var_1_11~0)) is different from false [2024-11-13 13:54:05,310 WARN L286 SmtUtils]: Spent 5.41s 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 13:54:16,034 WARN L286 SmtUtils]: Spent 5.82s 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 13:54:39,246 WARN L286 SmtUtils]: Spent 8.08s 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 13:54:46,308 WARN L286 SmtUtils]: Spent 7.06s 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 13:55:02,020 WARN L286 SmtUtils]: Spent 5.10s 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 13:55:11,906 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:55:33,833 WARN L286 SmtUtils]: Spent 6.23s 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 13:55:48,356 WARN L286 SmtUtils]: Spent 6.83s 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 13:56:02,683 WARN L286 SmtUtils]: Spent 5.01s 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 13:56:27,854 WARN L286 SmtUtils]: Spent 6.54s 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 13:56:52,647 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:59:02,315 WARN L286 SmtUtils]: Spent 41.22s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 13:59:31,733 WARN L286 SmtUtils]: Spent 5.94s 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 13:59:42,405 WARN L286 SmtUtils]: Spent 6.50s 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 13:59:51,943 WARN L286 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:00:01,851 WARN L286 SmtUtils]: Spent 6.77s 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 14:00:23,456 WARN L286 SmtUtils]: Spent 6.02s 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 14:00:36,861 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ zero_extend 16) c_~var_1_3~0))) (let ((.cse2 ((_ zero_extend 16) c_~var_1_2~0)) (.cse3 (bvneg .cse10)) (.cse4 ((_ zero_extend 16) c_~var_1_17~0))) (and (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_9~0 .cse0) (fp.geq c_~var_1_9~0 .cse1)) (and (fp.leq c_~var_1_9~0 (fp.neg .cse1)) (fp.geq c_~var_1_9~0 (fp.neg .cse0))))) (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (not (= (_ bv0 32) ((_ zero_extend 24) c_~var_1_8~0))) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| (bvsdiv c_~var_1_1~0 (_ bv2 32))) (= c_~var_1_10~0 c_~var_1_9~0) (bvsge .cse2 (_ bv32767 32)) (bvsgt (bvadd .cse3 .cse2) .cse4) (= (_ bv0 8) c_~var_1_14~0) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse3 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse5 ((_ sign_extend 24) c_~var_1_12~0)) (.cse7 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse6 (bvsgt .cse5 .cse7))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse5)) .cse6) (and (not .cse6) (= c_~var_1_19~0 ((_ extract 7 0) .cse7)))))) (= (_ bv64 8) c_~var_1_11~0) (let ((.cse9 (bvadd .cse10 ((_ sign_extend 24) (_ bv64 8))))) (let ((.cse8 (bvslt .cse9 .cse4))) (or (and (not .cse8) (= c_~var_1_1~0 .cse4)) (and (= c_~var_1_1~0 .cse9) .cse8))))))) is different from false [2024-11-13 14:00:45,369 WARN L286 SmtUtils]: Spent 5.66s 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 14:01:03,081 WARN L286 SmtUtils]: Spent 8.10s 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 14:01:11,176 WARN L286 SmtUtils]: Spent 8.09s 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 14:01:18,769 WARN L286 SmtUtils]: Spent 7.59s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:01:37,788 WARN L286 SmtUtils]: Spent 7.02s 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 14:01:44,849 WARN L286 SmtUtils]: Spent 7.06s 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 14:02:10,276 WARN L286 SmtUtils]: Spent 8.10s 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 14:02:15,977 WARN L286 SmtUtils]: Spent 5.70s 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 14:02:21,971 WARN L286 SmtUtils]: Spent 5.99s 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)