./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.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_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:28:11,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:28:11,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:28:11,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:28:11,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:28:11,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:28:11,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:28:11,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:28:11,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:28:11,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:28:11,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:28:11,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:28:11,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:28:11,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:28:11,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:28:11,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:28:11,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:28:11,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:28:11,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:28:11,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:28:11,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:28:11,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:28:11,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:28:11,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:28:11,916 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:28:11,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:28:11,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:28:11,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:28:11,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:28:11,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:28:11,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:28:11,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:28:11,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:11,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:28:11,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:28:11,919 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_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 -> 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c [2024-11-13 13:28:12,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:28:12,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:28:12,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:28:12,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:28:12,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:28:12,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i Unable to find full path for "g++" [2024-11-13 13:28:14,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:28:15,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:28:15,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i [2024-11-13 13:28:15,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data/527404694/9a3d6167da55421f9a393f0c971de679/FLAG1da94dddd [2024-11-13 13:28:15,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data/527404694/9a3d6167da55421f9a393f0c971de679 [2024-11-13 13:28:15,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:28:15,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:28:15,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:15,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:28:15,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:28:15,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d90c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15, skipping insertion in model container [2024-11-13 13:28:15,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:28:15,586 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_9fcb97c4-dd30-4421-86ab-42e33a14413d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2024-11-13 13:28:15,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:15,682 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:28:15,698 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_9fcb97c4-dd30-4421-86ab-42e33a14413d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2024-11-13 13:28:15,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:15,788 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:28:15,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15 WrapperNode [2024-11-13 13:28:15,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:15,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:15,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:28:15,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:28:15,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,883 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-13 13:28:15,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:15,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:28:15,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:28:15,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:28:15,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,943 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 13:28:15,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:15,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:28:15,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:28:15,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:28:15,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:28:15,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (1/1) ... [2024-11-13 13:28:16,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:16,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:16,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:28:16,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:28:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:28:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:28:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:28:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:28:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:28:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:28:16,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:28:16,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:28:16,854 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 13:28:16,854 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:28:16,867 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:28:16,868 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:28:16,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:16 BoogieIcfgContainer [2024-11-13 13:28:16,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:28:16,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:28:16,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:28:16,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:28:16,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:28:15" (1/3) ... [2024-11-13 13:28:16,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9730c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:16, skipping insertion in model container [2024-11-13 13:28:16,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:15" (2/3) ... [2024-11-13 13:28:16,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9730c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:16, skipping insertion in model container [2024-11-13 13:28:16,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:16" (3/3) ... [2024-11-13 13:28:16,884 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-90.i [2024-11-13 13:28:16,906 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:28:16,910 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-90.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:28:17,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:28:17,031 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;@4afed6f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:28:17,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:28:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 45 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:28:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 13:28:17,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:17,048 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:17,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:17,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:17,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1379931480, now seen corresponding path program 1 times [2024-11-13 13:28:17,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:17,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112916722] [2024-11-13 13:28:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:17,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:28:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:28:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 13:28:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:28:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 13:28:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 13:28:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:28:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:28:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 13:28:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:28:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 13:28:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 13:28:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 13:28:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 13:28:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:19,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:28:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:19,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:28:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:28:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 13:28:19,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:19,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112916722] [2024-11-13 13:28:19,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112916722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:19,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:19,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:28:19,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11294554] [2024-11-13 13:28:19,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:19,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:28:19,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:19,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:28:19,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:28:19,134 INFO L87 Difference]: Start difference. First operand has 65 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 45 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:28:19,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:19,651 INFO L93 Difference]: Finished difference Result 182 states and 327 transitions. [2024-11-13 13:28:19,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:28:19,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2024-11-13 13:28:19,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:19,671 INFO L225 Difference]: With dead ends: 182 [2024-11-13 13:28:19,673 INFO L226 Difference]: Without dead ends: 120 [2024-11-13 13:28:19,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:28:19,681 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 62 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:19,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 240 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:28:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-13 13:28:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 111. [2024-11-13 13:28:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 72 states have internal predecessors, (100), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 13:28:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 172 transitions. [2024-11-13 13:28:19,808 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 172 transitions. Word has length 118 [2024-11-13 13:28:19,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:19,811 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 172 transitions. [2024-11-13 13:28:19,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:28:19,811 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2024-11-13 13:28:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 13:28:19,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:19,816 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:19,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:28:19,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:19,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:19,817 INFO L85 PathProgramCache]: Analyzing trace with hash 451985275, now seen corresponding path program 1 times [2024-11-13 13:28:19,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:19,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077278401] [2024-11-13 13:28:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:28:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:28:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 13:28:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:28:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 13:28:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 13:28:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:28:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:28:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 13:28:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:28:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 13:28:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 13:28:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 13:28:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 13:28:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:28:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:28:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:28:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 13:28:20,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:20,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077278401] [2024-11-13 13:28:20,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077278401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:20,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:20,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:28:20,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888595657] [2024-11-13 13:28:20,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:20,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:28:20,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:28:20,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:28:20,397 INFO L87 Difference]: Start difference. First operand 111 states and 172 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:28:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:20,752 INFO L93 Difference]: Finished difference Result 254 states and 392 transitions. [2024-11-13 13:28:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:28:20,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2024-11-13 13:28:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:20,759 INFO L225 Difference]: With dead ends: 254 [2024-11-13 13:28:20,759 INFO L226 Difference]: Without dead ends: 182 [2024-11-13 13:28:20,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:28:20,763 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 92 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:20,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 254 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:28:20,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-13 13:28:20,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 172. [2024-11-13 13:28:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 114 states have (on average 1.368421052631579) internal successors, (156), 114 states have internal predecessors, (156), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 13:28:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 264 transitions. [2024-11-13 13:28:20,858 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 264 transitions. Word has length 120 [2024-11-13 13:28:20,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:20,859 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 264 transitions. [2024-11-13 13:28:20,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:28:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 264 transitions. [2024-11-13 13:28:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 13:28:20,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:20,866 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:20,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:28:20,867 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:20,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:20,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1178339624, now seen corresponding path program 1 times [2024-11-13 13:28:20,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:20,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7980828] [2024-11-13 13:28:20,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:20,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:28:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:28:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 13:28:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:28:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 13:28:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 13:28:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 13:28:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 13:28:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 13:28:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:28:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 13:28:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 13:28:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 13:28:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 13:28:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:28:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:28:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:28:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 48 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-13 13:28:21,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:21,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7980828] [2024-11-13 13:28:21,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7980828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:21,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496275543] [2024-11-13 13:28:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:21,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:21,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:21,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:21,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:28:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:21,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:28:21,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 13:28:22,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:28:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 51 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-13 13:28:23,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496275543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:28:23,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:28:23,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 15 [2024-11-13 13:28:23,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523806268] [2024-11-13 13:28:23,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:28:23,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 13:28:23,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:23,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 13:28:23,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:28:23,400 INFO L87 Difference]: Start difference. First operand 172 states and 264 transitions. Second operand has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 6 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2024-11-13 13:28:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:23,985 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2024-11-13 13:28:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:28:23,988 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 6 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) Word has length 122 [2024-11-13 13:28:23,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:23,994 INFO L225 Difference]: With dead ends: 342 [2024-11-13 13:28:23,994 INFO L226 Difference]: Without dead ends: 214 [2024-11-13 13:28:23,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:28:23,997 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 206 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:23,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 165 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:28:23,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-13 13:28:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 196. [2024-11-13 13:28:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 132 states have internal predecessors, (171), 54 states have call successors, (54), 9 states have call predecessors, (54), 9 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 13:28:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 279 transitions. [2024-11-13 13:28:24,098 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 279 transitions. Word has length 122 [2024-11-13 13:28:24,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:24,103 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 279 transitions. [2024-11-13 13:28:24,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 6 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2024-11-13 13:28:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 279 transitions. [2024-11-13 13:28:24,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 13:28:24,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:24,110 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:24,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 13:28:24,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:24,314 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:24,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:24,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1765145638, now seen corresponding path program 1 times [2024-11-13 13:28:24,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:24,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170070239] [2024-11-13 13:28:24,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:24,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:28:24,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303377708] [2024-11-13 13:28:24,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:24,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:24,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:24,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:24,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:28:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:28:25,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:28:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:28:25,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:28:25,284 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:28:25,286 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:28:25,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:28:25,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:25,492 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 13:28:25,625 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:28:25,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:28:25 BoogieIcfgContainer [2024-11-13 13:28:25,631 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:28:25,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:28:25,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:28:25,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:28:25,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:16" (3/4) ... [2024-11-13 13:28:25,636 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:28:25,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:28:25,639 INFO L158 Benchmark]: Toolchain (without parser) took 10311.65ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.0MB in the beginning and 157.9MB in the end (delta: -63.9MB). Peak memory consumption was 167.3MB. Max. memory is 16.1GB. [2024-11-13 13:28:25,640 INFO L158 Benchmark]: CDTParser took 1.82ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:28:25,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.29ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 80.7MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:28:25,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.34ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:28:25,642 INFO L158 Benchmark]: Boogie Preprocessor took 100.37ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:28:25,643 INFO L158 Benchmark]: RCFGBuilder took 883.03ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 55.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:28:25,643 INFO L158 Benchmark]: TraceAbstraction took 8759.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.4MB in the beginning and 161.4MB in the end (delta: -106.0MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2024-11-13 13:28:25,644 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 352.3MB. Free memory was 161.4MB in the beginning and 157.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:28:25,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.29ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 80.7MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.34ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.37ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 883.03ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 55.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8759.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.4MB in the beginning and 161.4MB in the end (delta: -106.0MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 352.3MB. Free memory was 161.4MB in the beginning and 157.9MB in the end (delta: 3.5MB). 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 115, overapproximation of someBinaryFLOATComparisonOperation at line 128, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of bitwiseOr at line 128, overapproximation of bitwiseOr at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -32; [L23] signed long int var_1_3 = 10; [L24] signed long int var_1_4 = 64; [L25] unsigned short int var_1_11 = 64; [L26] unsigned short int var_1_12 = 8; [L27] unsigned short int var_1_13 = 5; [L28] signed short int var_1_14 = 8; [L29] unsigned short int var_1_15 = 62763; [L30] unsigned long int var_1_16 = 25; [L31] float var_1_18 = 63.25; [L32] unsigned char var_1_20 = 0; [L33] float var_1_21 = 7.8; [L34] float var_1_22 = 32.1; [L35] unsigned char var_1_23 = 0; [L36] signed long int var_1_24 = -16; [L37] signed long int last_1_var_1_1 = -32; [L38] unsigned short int last_1_var_1_11 = 64; [L39] signed short int last_1_var_1_14 = 8; [L40] unsigned long int last_1_var_1_16 = 25; [L41] float last_1_var_1_18 = 63.25; VAL [isInitial=0, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=10, var_1_4=64] [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] CALL updateLastVariables() [L121] last_1_var_1_1 = var_1_1 [L122] last_1_var_1_11 = var_1_11 [L123] last_1_var_1_14 = var_1_14 [L124] last_1_var_1_16 = var_1_16 [L125] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=10, var_1_4=64] [L135] RET updateLastVariables() [L136] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L93] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L94] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L94] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L95] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L95] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L96] var_1_4 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L97] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L98] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L98] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L99] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L99] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L100] var_1_12 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L102] CALL assume_abort_if_not(var_1_12 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L102] RET assume_abort_if_not(var_1_12 <= 16384) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L103] var_1_13 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L105] CALL assume_abort_if_not(var_1_13 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L105] RET assume_abort_if_not(var_1_13 <= 16383) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L106] var_1_15 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L107] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L108] CALL assume_abort_if_not(var_1_15 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L108] RET assume_abort_if_not(var_1_15 <= 65535) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L109] var_1_20 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L110] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L111] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L111] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L112] var_1_21 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L113] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L114] var_1_22 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L115] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L116] var_1_23 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L117] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L118] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L118] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L136] RET updateVariables() [L137] CALL step() [L45] EXPR last_1_var_1_1 | last_1_var_1_16 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L45] COND FALSE !((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) [L52] var_1_1 = last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L54] COND FALSE !((- (- last_1_var_1_18)) != last_1_var_1_18) [L61] var_1_24 = last_1_var_1_14 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L63] COND FALSE !(((var_1_15 - var_1_12) + var_1_24) < var_1_24) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L66] unsigned short int stepLocal_0 = var_1_13; VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, stepLocal_0=-65535, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L67] COND FALSE !(var_1_24 < stepLocal_0) [L78] var_1_18 = var_1_21 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L80] COND TRUE var_1_18 != (var_1_18 + var_1_18) [L81] var_1_11 = ((var_1_12 + var_1_13) + 32) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=33, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=25, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L83] COND FALSE !(((var_1_1 * var_1_4) + var_1_1) > var_1_1) [L88] var_1_16 = 0u VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=33, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR last_1_var_1_1 | last_1_var_1_16 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=33, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L128-L129] return (((((((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) ? (((last_1_var_1_18 * last_1_var_1_18) < last_1_var_1_18) ? (var_1_1 == ((signed long int) last_1_var_1_11)) : (var_1_1 == ((signed long int) last_1_var_1_11))) : (var_1_1 == ((signed long int) last_1_var_1_11))) && ((var_1_18 != (var_1_18 + var_1_18)) ? (var_1_11 == ((unsigned short int) ((var_1_12 + var_1_13) + 32))) : 1)) && ((((var_1_15 - var_1_12) + var_1_24) < var_1_24) ? (var_1_14 == ((signed short int) var_1_12)) : 1)) && ((((var_1_1 * var_1_4) + var_1_1) > var_1_1) ? ((var_1_14 < var_1_1) ? (var_1_16 == ((unsigned long int) var_1_12)) : 1) : (var_1_16 == ((unsigned long int) 0u)))) && ((var_1_24 < var_1_13) ? (var_1_20 ? (var_1_18 == ((float) (((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) + var_1_22))) : (var_1_23 ? (var_1_18 == ((float) (var_1_22 + var_1_21))) : (var_1_18 == ((float) -0.75f)))) : (var_1_18 == ((float) var_1_21)))) && (((- (- last_1_var_1_18)) != last_1_var_1_18) ? ((var_1_12 <= ((((last_1_var_1_14) > ((- last_1_var_1_14))) ? (last_1_var_1_14) : ((- last_1_var_1_14))))) ? (var_1_24 == ((signed long int) -50)) : (var_1_24 == ((signed long int) last_1_var_1_14))) : (var_1_24 == ((signed long int) last_1_var_1_14))) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=33, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=33, var_1_12=65536, var_1_13=-65535, var_1_14=8, var_1_15=-32768, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=1, var_1_24=8, var_1_3=-3, var_1_4=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 659 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 416 mSDsCounter, 180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 180 mSolverCounterUnsat, 243 mSDtfsCounter, 215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=3, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 2568 SizeOfPredicates, 3 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2913/3060 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 13:28:25,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:28:29,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:28:29,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:28:29,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:28:29,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:28:29,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:28:29,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:28:29,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:28:29,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:28:29,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:28:29,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:28:29,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:28:29,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:28:29,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:28:29,436 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:28:29,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:28:29,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:28:29,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:28:29,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:28:29,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:28:29,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:28:29,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:28:29,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:28:29,438 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:28:29,438 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:28:29,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:28:29,440 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:28:29,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:28:29,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:28:29,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:28:29,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:28:29,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:28:29,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:28:29,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:29,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:28:29,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:28:29,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:28:29,442 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_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 -> 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c [2024-11-13 13:28:29,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:28:29,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:28:29,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:28:29,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:28:29,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:28:29,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i Unable to find full path for "g++" [2024-11-13 13:28:32,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:28:32,803 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:28:32,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i [2024-11-13 13:28:32,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data/49d76518c/cf57d85483a4442a855a1e774b84feb3/FLAG5fdbd3929 [2024-11-13 13:28:32,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/data/49d76518c/cf57d85483a4442a855a1e774b84feb3 [2024-11-13 13:28:32,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:28:32,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:28:32,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:32,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:28:32,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:28:32,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:32" (1/1) ... [2024-11-13 13:28:32,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f5b6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:32, skipping insertion in model container [2024-11-13 13:28:32,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:32" (1/1) ... [2024-11-13 13:28:32,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:28:33,143 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_9fcb97c4-dd30-4421-86ab-42e33a14413d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2024-11-13 13:28:33,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:33,283 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:28:33,301 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_9fcb97c4-dd30-4421-86ab-42e33a14413d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2024-11-13 13:28:33,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:28:33,365 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:28:33,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33 WrapperNode [2024-11-13 13:28:33,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:28:33,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:33,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:28:33,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:28:33,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,449 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-13 13:28:33,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:28:33,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:28:33,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:28:33,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:28:33,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,498 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 13:28:33,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:28:33,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:28:33,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:28:33,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:28:33,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (1/1) ... [2024-11-13 13:28:33,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:28:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:33,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:28:33,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:28:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:28:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:28:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:28:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:28:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:28:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:28:33,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:28:33,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:28:35,249 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 13:28:35,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:28:35,263 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:28:35,263 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:28:35,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:35 BoogieIcfgContainer [2024-11-13 13:28:35,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:28:35,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:28:35,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:28:35,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:28:35,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:28:32" (1/3) ... [2024-11-13 13:28:35,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deb23a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:35, skipping insertion in model container [2024-11-13 13:28:35,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:33" (2/3) ... [2024-11-13 13:28:35,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deb23a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:35, skipping insertion in model container [2024-11-13 13:28:35,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:35" (3/3) ... [2024-11-13 13:28:35,280 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-90.i [2024-11-13 13:28:35,302 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:28:35,304 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-90.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:28:35,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:28:35,438 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;@14c0dd3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:28:35,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:28:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:28:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 13:28:35,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:35,459 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:35,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:35,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:35,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1338042604, now seen corresponding path program 1 times [2024-11-13 13:28:35,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:28:35,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245606265] [2024-11-13 13:28:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:35,482 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 13:28:35,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:28:35,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:35,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:35,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:28:35,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-13 13:28:36,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:36,044 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:28:36,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245606265] [2024-11-13 13:28:36,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245606265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:36,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:36,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:28:36,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671952740] [2024-11-13 13:28:36,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:36,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:28:36,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:28:36,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:28:36,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:28:36,085 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:28:36,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:36,118 INFO L93 Difference]: Finished difference Result 109 states and 190 transitions. [2024-11-13 13:28:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:28:36,120 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-13 13:28:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:36,129 INFO L225 Difference]: With dead ends: 109 [2024-11-13 13:28:36,129 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 13:28:36,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 13:28:36,138 INFO L432 NwaCegarLoop]: 82 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, 82 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 13:28:36,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:28:36,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 13:28:36,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-13 13:28:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:28:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 82 transitions. [2024-11-13 13:28:36,209 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 82 transitions. Word has length 115 [2024-11-13 13:28:36,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:36,210 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 82 transitions. [2024-11-13 13:28:36,210 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:28:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2024-11-13 13:28:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 13:28:36,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:36,219 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:36,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:36,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:36,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:36,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:36,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1905954596, now seen corresponding path program 1 times [2024-11-13 13:28:36,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:28:36,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865305441] [2024-11-13 13:28:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:36,423 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 13:28:36,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:28:36,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:36,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:36,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:28:36,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 13:28:38,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:28:39,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:28:39,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865305441] [2024-11-13 13:28:39,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865305441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:39,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302869630] [2024-11-13 13:28:39,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:39,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:39,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:39,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:28:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:40,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:28:40,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 13:28:41,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:28:42,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302869630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:42,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:28:42,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2024-11-13 13:28:42,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809087838] [2024-11-13 13:28:42,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:28:42,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:28:42,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:28:42,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:28:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:28:42,352 INFO L87 Difference]: Start difference. First operand 54 states and 82 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-13 13:28:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:47,622 INFO L93 Difference]: Finished difference Result 214 states and 314 transitions. [2024-11-13 13:28:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 13:28:47,632 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 115 [2024-11-13 13:28:47,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:47,636 INFO L225 Difference]: With dead ends: 214 [2024-11-13 13:28:47,636 INFO L226 Difference]: Without dead ends: 163 [2024-11-13 13:28:47,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 13:28:47,639 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 254 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:47,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 372 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-13 13:28:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-13 13:28:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 136. [2024-11-13 13:28:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 89 states have internal predecessors, (119), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-13 13:28:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 203 transitions. [2024-11-13 13:28:47,680 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 203 transitions. Word has length 115 [2024-11-13 13:28:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:47,681 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 203 transitions. [2024-11-13 13:28:47,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-13 13:28:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 203 transitions. [2024-11-13 13:28:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 13:28:47,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:47,684 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:47,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:28:47,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 13:28:48,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:48,089 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:28:48,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:48,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1708954330, now seen corresponding path program 1 times [2024-11-13 13:28:48,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:28:48,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338161562] [2024-11-13 13:28:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:48,091 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 13:28:48,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:28:48,096 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:48,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fcb97c4-dd30-4421-86ab-42e33a14413d/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 13:28:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:48,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 13:28:48,761 INFO L278 TraceCheckSpWp]: Computing forward predicates...