./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1 --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 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:10:15,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:10:15,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:10:15,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:10:15,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:10:15,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:10:15,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:10:15,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:10:15,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:10:15,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:10:15,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:10:15,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:10:15,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:10:15,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:10:15,320 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:10:15,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:10:15,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:10:15,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:10:15,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:10:15,321 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:10:15,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:10:15,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:10:15,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:10:15,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:10:15,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:10:15,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:10:15,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:10:15,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:10:15,323 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_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1 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 -> 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 [2024-12-02 13:10:15,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:10:15,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:10:15,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:10:15,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:10:15,553 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:10:15,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2024-12-02 13:10:18,186 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/077965f72/f806194e52d442beb824f7b1870a7ba4/FLAG585b0929e [2024-12-02 13:10:18,393 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:10:18,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2024-12-02 13:10:18,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/077965f72/f806194e52d442beb824f7b1870a7ba4/FLAG585b0929e [2024-12-02 13:10:18,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/077965f72/f806194e52d442beb824f7b1870a7ba4 [2024-12-02 13:10:18,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:10:18,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:10:18,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:10:18,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:10:18,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:10:18,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:10:18" (1/1) ... [2024-12-02 13:10:18,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4819d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:18, skipping insertion in model container [2024-12-02 13:10:18,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:10:18" (1/1) ... [2024-12-02 13:10:18,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:10:18,881 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_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2024-12-02 13:10:18,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:10:18,957 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:10:18,966 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_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2024-12-02 13:10:18,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:10:19,011 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:10:19,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19 WrapperNode [2024-12-02 13:10:19,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:10:19,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:10:19,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:10:19,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:10:19,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,058 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-12-02 13:10:19,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:10:19,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:10:19,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:10:19,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:10:19,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,085 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]. [2024-12-02 13:10:19,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:10:19,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:10:19,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:10:19,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:10:19,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (1/1) ... [2024-12-02 13:10:19,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:10:19,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:10:19,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:10:19,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:10:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:10:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:10:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:10:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:10:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:10:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:10:19,227 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:10:19,229 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:10:19,565 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-02 13:10:19,565 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:10:19,575 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:10:19,575 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 13:10:19,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:10:19 BoogieIcfgContainer [2024-12-02 13:10:19,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:10:19,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:10:19,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:10:19,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:10:19,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:10:18" (1/3) ... [2024-12-02 13:10:19,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af7c3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:10:19, skipping insertion in model container [2024-12-02 13:10:19,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:10:19" (2/3) ... [2024-12-02 13:10:19,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af7c3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:10:19, skipping insertion in model container [2024-12-02 13:10:19,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:10:19" (3/3) ... [2024-12-02 13:10:19,595 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-97.i [2024-12-02 13:10:19,606 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:10:19,607 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-97.i that has 2 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:10:19,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:10:19,663 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;@69284bb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:10:19,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:10:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:10:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:10:19,678 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:10:19,679 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:10:19,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:10:19,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:10:19,684 INFO L85 PathProgramCache]: Analyzing trace with hash -635692981, now seen corresponding path program 1 times [2024-12-02 13:10:19,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:10:19,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097690806] [2024-12-02 13:10:19,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:19,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:10:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:10:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 13:10:19,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:10:19,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097690806] [2024-12-02 13:10:19,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097690806] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:10:19,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832607776] [2024-12-02 13:10:19,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:19,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:10:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:10:19,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:10:19,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:10:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:10:20,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:10:20,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:10:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 13:10:20,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:10:20,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832607776] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:10:20,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:10:20,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:10:20,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257791625] [2024-12-02 13:10:20,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:10:20,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:10:20,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:10:20,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:10:20,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:10:20,173 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:10:20,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:10:20,197 INFO L93 Difference]: Finished difference Result 161 states and 277 transitions. [2024-12-02 13:10:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:10:20,199 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-12-02 13:10:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:10:20,204 INFO L225 Difference]: With dead ends: 161 [2024-12-02 13:10:20,204 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 13:10:20,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:10:20,209 INFO L435 NwaCegarLoop]: 125 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, 125 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 [2024-12-02 13:10:20,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:10:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 13:10:20,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-12-02 13:10:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:10:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2024-12-02 13:10:20,243 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 160 [2024-12-02 13:10:20,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:10:20,243 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2024-12-02 13:10:20,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:10:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-12-02 13:10:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:10:20,246 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:10:20,247 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:10:20,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:10:20,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:10:20,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:10:20,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:10:20,448 INFO L85 PathProgramCache]: Analyzing trace with hash -289386669, now seen corresponding path program 1 times [2024-12-02 13:10:20,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:10:20,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931325476] [2024-12-02 13:10:20,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:10:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:10:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:10:20,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:10:20,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931325476] [2024-12-02 13:10:20,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931325476] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:10:20,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:10:20,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:10:20,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515528088] [2024-12-02 13:10:20,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:10:20,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:10:20,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:10:20,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:10:20,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:10:20,670 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:10:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:10:20,749 INFO L93 Difference]: Finished difference Result 219 states and 341 transitions. [2024-12-02 13:10:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:10:20,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 13:10:20,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:10:20,752 INFO L225 Difference]: With dead ends: 219 [2024-12-02 13:10:20,752 INFO L226 Difference]: Without dead ends: 144 [2024-12-02 13:10:20,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:10:20,754 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 97 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:10:20,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 303 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:10:20,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-12-02 13:10:20,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 88. [2024-12-02 13:10:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 62 states have (on average 1.435483870967742) internal successors, (89), 62 states have internal predecessors, (89), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:10:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 137 transitions. [2024-12-02 13:10:20,769 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 137 transitions. Word has length 160 [2024-12-02 13:10:20,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:10:20,770 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 137 transitions. [2024-12-02 13:10:20,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:10:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2024-12-02 13:10:20,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:10:20,773 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:10:20,773 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:10:20,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:10:20,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:10:20,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:10:20,774 INFO L85 PathProgramCache]: Analyzing trace with hash -40035999, now seen corresponding path program 1 times [2024-12-02 13:10:20,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:10:20,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449695882] [2024-12-02 13:10:20,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:20,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:10:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:10:21,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370649670] [2024-12-02 13:10:21,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:21,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:10:21,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:10:21,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:10:21,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:10:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:10:21,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:10:21,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:10:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 528 proven. 105 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2024-12-02 13:10:22,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:10:26,662 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_z_6 Int)) (or (< v_z_6 (mod |c_ULTIMATE.start_step_~stepLocal_6~0#1| 256)) (< 65535 v_z_6) (< (mod (div v_z_6 (mod c_~var_1_7~0 4294967296)) 4294967296) v_z_6))) is different from false [2024-12-02 13:10:52,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:10:52,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449695882] [2024-12-02 13:10:52,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 13:10:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370649670] [2024-12-02 13:10:52,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370649670] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:10:52,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:10:52,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-12-02 13:10:52,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781187801] [2024-12-02 13:10:52,100 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 13:10:52,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:10:52,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:10:52,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:10:52,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=119, Unknown=7, NotChecked=22, Total=182 [2024-12-02 13:10:52,102 INFO L87 Difference]: Start difference. First operand 88 states and 137 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:11:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:21,013 INFO L93 Difference]: Finished difference Result 331 states and 487 transitions. [2024-12-02 13:11:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 13:11:21,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 160 [2024-12-02 13:11:21,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:21,017 INFO L225 Difference]: With dead ends: 331 [2024-12-02 13:11:21,017 INFO L226 Difference]: Without dead ends: 246 [2024-12-02 13:11:21,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 55.7s TimeCoverageRelationStatistics Valid=310, Invalid=1013, Unknown=13, NotChecked=70, Total=1406 [2024-12-02 13:11:21,020 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 420 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:21,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 411 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 13:11:21,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-12-02 13:11:21,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 145. [2024-12-02 13:11:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.4298245614035088) internal successors, (163), 115 states have internal predecessors, (163), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 13:11:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2024-12-02 13:11:21,043 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 160 [2024-12-02 13:11:21,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:21,043 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2024-12-02 13:11:21,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:11:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2024-12-02 13:11:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:11:21,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:21,046 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:11:21,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 13:11:21,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:21,247 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:21,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:21,247 INFO L85 PathProgramCache]: Analyzing trace with hash -891714132, now seen corresponding path program 1 times [2024-12-02 13:11:21,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:21,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986580730] [2024-12-02 13:11:21,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:21,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 13:11:22,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:22,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986580730] [2024-12-02 13:11:22,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986580730] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:22,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621079388] [2024-12-02 13:11:22,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:22,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:22,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:11:22,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:11:22,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:11:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:22,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:11:22,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-12-02 13:11:22,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 13:11:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621079388] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:11:23,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:11:23,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2024-12-02 13:11:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044455223] [2024-12-02 13:11:23,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:11:23,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:11:23,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:23,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:11:23,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:11:23,876 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 13:11:27,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:27,447 INFO L93 Difference]: Finished difference Result 470 states and 668 transitions. [2024-12-02 13:11:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 13:11:27,448 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 161 [2024-12-02 13:11:27,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:27,451 INFO L225 Difference]: With dead ends: 470 [2024-12-02 13:11:27,451 INFO L226 Difference]: Without dead ends: 328 [2024-12-02 13:11:27,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 319 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=227, Invalid=643, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:11:27,452 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 231 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:27,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 533 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 13:11:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-12-02 13:11:27,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 122. [2024-12-02 13:11:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 91 states have internal predecessors, (119), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 13:11:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 171 transitions. [2024-12-02 13:11:27,468 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 171 transitions. Word has length 161 [2024-12-02 13:11:27,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:27,469 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 171 transitions. [2024-12-02 13:11:27,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 13:11:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 171 transitions. [2024-12-02 13:11:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:11:27,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:27,472 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:11:27,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:11:27,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:27,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:27,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:27,673 INFO L85 PathProgramCache]: Analyzing trace with hash -642363462, now seen corresponding path program 1 times [2024-12-02 13:11:27,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:27,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614903216] [2024-12-02 13:11:27,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:27,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:11:27,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733331916] [2024-12-02 13:11:27,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:27,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:11:27,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:11:27,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:11:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:28,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 13:11:28,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 718 proven. 153 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-02 13:11:34,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:12:24,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:12:24,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614903216] [2024-12-02 13:12:24,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 13:12:24,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733331916] [2024-12-02 13:12:24,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733331916] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:12:24,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:12:24,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-12-02 13:12:24,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253242734] [2024-12-02 13:12:24,934 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 13:12:24,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 13:12:24,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:12:24,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 13:12:24,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=795, Unknown=11, NotChecked=0, Total=1056 [2024-12-02 13:12:24,935 INFO L87 Difference]: Start difference. First operand 122 states and 171 transitions. Second operand has 19 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 19 states have internal predecessors, (68), 6 states have call successors, (24), 6 states have call predecessors, (24), 9 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 13:12:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:29,793 INFO L93 Difference]: Finished difference Result 334 states and 452 transitions. [2024-12-02 13:12:29,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 13:12:29,794 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 19 states have internal predecessors, (68), 6 states have call successors, (24), 6 states have call predecessors, (24), 9 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) Word has length 161 [2024-12-02 13:12:29,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:29,795 INFO L225 Difference]: With dead ends: 334 [2024-12-02 13:12:29,795 INFO L226 Difference]: Without dead ends: 215 [2024-12-02 13:12:29,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 51.1s TimeCoverageRelationStatistics Valid=679, Invalid=1760, Unknown=11, NotChecked=0, Total=2450 [2024-12-02 13:12:29,796 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 378 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:29,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 364 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 13:12:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-12-02 13:12:29,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 143. [2024-12-02 13:12:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 109 states have internal predecessors, (141), 26 states have call successors, (26), 8 states have call predecessors, (26), 8 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 13:12:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 193 transitions. [2024-12-02 13:12:29,811 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 193 transitions. Word has length 161 [2024-12-02 13:12:29,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:29,811 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 193 transitions. [2024-12-02 13:12:29,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 19 states have internal predecessors, (68), 6 states have call successors, (24), 6 states have call predecessors, (24), 9 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 13:12:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 193 transitions. [2024-12-02 13:12:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:12:29,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:29,812 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:12:29,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 13:12:30,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:12:30,013 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:30,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:30,013 INFO L85 PathProgramCache]: Analyzing trace with hash 347903525, now seen corresponding path program 1 times [2024-12-02 13:12:30,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:12:30,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430893093] [2024-12-02 13:12:30,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:30,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:12:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:12:30,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2023041034] [2024-12-02 13:12:30,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:30,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:12:30,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:12:30,123 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:12:30,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:12:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:12:30,597 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:12:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:12:30,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:12:30,735 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:12:30,736 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:12:30,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 13:12:30,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 13:12:30,940 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 13:12:31,023 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:12:31,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:12:31 BoogieIcfgContainer [2024-12-02 13:12:31,026 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:12:31,026 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:12:31,026 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:12:31,027 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:12:31,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:10:19" (3/4) ... [2024-12-02 13:12:31,029 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:12:31,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:12:31,031 INFO L158 Benchmark]: Toolchain (without parser) took 132295.45ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.1MB in the beginning and 160.4MB in the end (delta: -68.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-12-02 13:12:31,031 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:12:31,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.18ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 75.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:12:31,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.54ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 71.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:12:31,032 INFO L158 Benchmark]: Boogie Preprocessor took 50.63ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 64.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:12:31,032 INFO L158 Benchmark]: RCFGBuilder took 466.36ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 38.4MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 13:12:31,032 INFO L158 Benchmark]: TraceAbstraction took 131437.16ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 90.7MB in the beginning and 160.5MB in the end (delta: -69.7MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. [2024-12-02 13:12:31,033 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 160.4MB in the end (delta: 23.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:12:31,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.18ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 75.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.54ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 71.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.63ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 64.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 466.36ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 38.4MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 131437.16ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 90.7MB in the beginning and 160.5MB in the end (delta: -69.7MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 160.4MB in the end (delta: 23.5kB). 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 52, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 166, overapproximation of someBinaryFLOATComparisonOperation at line 168, overapproximation of someBinaryFLOATComparisonOperation at line 188, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 188, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned long int var_1_7 = 2819353023; [L25] signed short int var_1_9 = 25; [L26] signed short int var_1_10 = 25; [L27] signed short int var_1_11 = 0; [L28] float var_1_12 = 255.8; [L29] unsigned char var_1_14 = 200; [L30] unsigned char var_1_15 = 5; [L31] unsigned char var_1_16 = 4; [L32] float var_1_17 = 99999.5; [L33] float var_1_18 = 63.4; [L34] double var_1_19 = 63.5; [L35] double var_1_20 = 9.95; [L36] double var_1_21 = 5.7; [L37] double var_1_22 = 3.85; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] unsigned long int var_1_25 = 0; [L41] unsigned long int var_1_26 = 16; [L42] unsigned long int var_1_27 = 1840944138; [L43] unsigned short int var_1_28 = 0; [L44] float var_1_29 = 1.1; [L45] signed char var_1_30 = 25; [L46] unsigned char last_1_var_1_23 = 1; [L47] float last_1_var_1_29 = 1.1; VAL [isInitial=0, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=0, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L192] isInitial = 1 [L193] FCALL initially() [L194] int k_loop; [L195] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=0, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L195] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=0, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L196] CALL updateLastVariables() [L184] last_1_var_1_23 = var_1_23 [L185] last_1_var_1_29 = var_1_29 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=0, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L196] RET updateLastVariables() [L197] CALL updateVariables() [L144] var_1_2 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L145] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L146] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L146] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L147] var_1_7 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L148] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L149] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L149] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L150] var_1_10 = __VERIFIER_nondet_short() [L151] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L151] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L152] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L152] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L153] var_1_11 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L154] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L155] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L155] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L156] var_1_14 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_14 >= 191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L157] RET assume_abort_if_not(var_1_14 >= 191) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L158] CALL assume_abort_if_not(var_1_14 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L158] RET assume_abort_if_not(var_1_14 <= 255) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L159] var_1_15 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L161] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L161] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L162] var_1_16 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L164] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L164] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L165] var_1_17 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L166] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L167] var_1_18 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L168] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L169] var_1_20 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L170] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L171] var_1_21 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L172] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L173] var_1_24 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L174] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L175] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L175] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L176] var_1_26 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L177] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L178] CALL assume_abort_if_not(var_1_26 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L178] RET assume_abort_if_not(var_1_26 <= 536870912) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L179] var_1_27 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_27 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L180] RET assume_abort_if_not(var_1_27 >= 1073741823) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L181] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L181] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L197] RET updateVariables() [L198] CALL step() [L51] COND TRUE var_1_21 < (256.8 - var_1_20) [L52] var_1_22 = ((((var_1_18) < (var_1_17)) ? (var_1_18) : (var_1_17))) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_22=2, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L56] COND TRUE ((((4.8f) < 0 ) ? -(4.8f) : (4.8f))) == var_1_18 [L57] var_1_23 = (last_1_var_1_23 && (var_1_2 && var_1_24)) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L61] unsigned long int stepLocal_5 = var_1_26; VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_5=-4294934530, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L62] COND FALSE !(stepLocal_5 < var_1_11) [L69] var_1_28 = var_1_11 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=11/10, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L71] COND TRUE last_1_var_1_29 > 1.9 [L72] var_1_29 = var_1_20 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L76] unsigned char stepLocal_6 = var_1_14; VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_6=191, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=25, var_1_7=6442450943, var_1_9=25] [L77] COND TRUE var_1_28 >= stepLocal_6 [L78] var_1_30 = ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=25] [L84] COND FALSE !((var_1_28 <= (var_1_28 / var_1_7)) || var_1_23) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=25] [L87] COND FALSE !(var_1_23 || var_1_23) [L90] var_1_9 = -8 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L93] COND TRUE var_1_22 < var_1_17 [L94] var_1_25 = (var_1_16 + ((var_1_14 + var_1_28) + var_1_11)) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L98] signed long int stepLocal_4 = (((var_1_16 - var_1_14) < 0 ) ? -(var_1_16 - var_1_14) : (var_1_16 - var_1_14)); [L99] signed long int stepLocal_3 = 64; VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_3=64, stepLocal_4=127, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L100] COND TRUE var_1_16 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_4=127, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=127/2, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L101] COND TRUE var_1_22 != var_1_17 [L102] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_4=127, var_1_10=-1, var_1_11=32766, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L111] COND FALSE !(var_1_23 || (var_1_19 < var_1_19)) [L118] var_1_12 = var_1_17 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_4=127, var_1_10=-1, var_1_11=32766, var_1_12=4, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L120] unsigned short int stepLocal_2 = var_1_28; [L121] unsigned char stepLocal_1 = var_1_23; [L122] unsigned long int stepLocal_0 = var_1_7 - var_1_28; VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_0=6442418177, stepLocal_1=0, stepLocal_2=32766, stepLocal_4=127, var_1_10=-1, var_1_11=32766, var_1_12=4, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L123] COND FALSE !(stepLocal_1 && var_1_23) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_0=6442418177, stepLocal_2=32766, stepLocal_4=127, var_1_10=-1, var_1_11=32766, var_1_12=4, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=4, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L128] COND FALSE !(stepLocal_0 <= ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) [L139] var_1_1 = var_1_28 VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, stepLocal_2=32766, stepLocal_4=127, var_1_10=-1, var_1_11=32766, var_1_12=4, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=32766, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L198] RET step() [L199] CALL, EXPR property() [L188-L189] return ((((((((((var_1_23 && var_1_23) ? ((var_1_12 == var_1_22) ? (var_1_1 == ((unsigned long int) (var_1_28 + 10u))) : 1) : (((var_1_7 - var_1_28) <= ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? ((var_1_22 != var_1_12) ? ((var_1_7 < var_1_28) ? (var_1_1 == ((unsigned long int) var_1_28)) : (var_1_1 == ((unsigned long int) var_1_28))) : (var_1_1 == ((unsigned long int) var_1_28))) : (var_1_1 == ((unsigned long int) var_1_28)))) && (((var_1_28 <= (var_1_28 / var_1_7)) || var_1_23) ? (var_1_9 == ((signed short int) (var_1_10 - var_1_11))) : ((var_1_23 || var_1_23) ? (var_1_9 == ((signed short int) var_1_11)) : (var_1_9 == ((signed short int) -8))))) && ((var_1_23 || (var_1_19 < var_1_19)) ? ((((var_1_14 - var_1_15) - var_1_16) > var_1_10) ? (var_1_12 == ((float) (var_1_17 + var_1_18))) : (var_1_12 == ((float) var_1_18))) : (var_1_12 == ((float) var_1_17)))) && ((var_1_16 >= 64) ? ((var_1_22 != var_1_17) ? (var_1_19 == ((double) var_1_17)) : 1) : ((var_1_25 > ((((var_1_16 - var_1_14) < 0 ) ? -(var_1_16 - var_1_14) : (var_1_16 - var_1_14)))) ? (var_1_19 == ((double) (((((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) < (var_1_17)) ? ((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) : (var_1_17))))) : (var_1_19 == ((double) 9.2))))) && ((var_1_21 < (256.8 - var_1_20)) ? (var_1_22 == ((double) ((((var_1_18) < (var_1_17)) ? (var_1_18) : (var_1_17))))) : (var_1_22 == ((double) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))))) && ((((((4.8f) < 0 ) ? -(4.8f) : (4.8f))) == var_1_18) ? (var_1_23 == ((unsigned char) (last_1_var_1_23 && (var_1_2 && var_1_24)))) : (var_1_23 == ((unsigned char) var_1_24)))) && ((var_1_22 < var_1_17) ? (var_1_25 == ((unsigned long int) (var_1_16 + ((var_1_14 + var_1_28) + var_1_11)))) : (var_1_25 == ((unsigned long int) ((var_1_27 - var_1_16) + var_1_15))))) && ((var_1_26 < var_1_11) ? (var_1_24 ? (var_1_28 == ((unsigned short int) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (var_1_14)) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (var_1_14))))) : (var_1_28 == ((unsigned short int) ((((var_1_14) < (var_1_11)) ? (var_1_14) : (var_1_11)))))) : (var_1_28 == ((unsigned short int) var_1_11)))) && ((last_1_var_1_29 > 1.9) ? (var_1_29 == ((float) var_1_20)) : (var_1_29 == ((float) ((((var_1_21 - var_1_20) < 0 ) ? -(var_1_21 - var_1_20) : (var_1_21 - var_1_20))))))) && ((var_1_28 >= var_1_14) ? (var_1_30 == ((signed char) ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))))) : ((! var_1_23) ? (var_1_30 == ((signed char) ((((-1) < 0 ) ? -(-1) : (-1))))) : 1)) ; VAL [\result=0, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=4, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=32766, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L199] RET, EXPR property() [L199] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=4, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=32766, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] [L19] reach_error() VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=32766, var_1_12=4, var_1_14=191, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=2, var_1_19=4, var_1_1=32766, var_1_20=3, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=65787, var_1_26=-4294934530, var_1_27=1073741823, var_1_28=32766, var_1_29=3, var_1_2=-255, var_1_30=0, var_1_7=6442450943, var_1_9=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 131.3s, OverallIterations: 6, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1152 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1126 mSDsluCounter, 1736 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1136 mSDsCounter, 270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1839 IncrementalHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 270 mSolverCounterUnsat, 600 mSDtfsCounter, 1839 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1028 GetRequests, 913 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1054 ImplicationChecksByTransitivity, 108.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=3, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 435 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 89.9s InterpolantComputationTime, 1766 NumberOfCodeBlocks, 1766 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1276 ConstructedInterpolants, 0 QuantifiedInterpolants, 4857 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1508 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 8492/8832 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:12:31,242 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 13:12:31,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1 --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 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:12:32,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:12:33,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:12:33,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:12:33,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:12:33,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:12:33,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:12:33,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:12:33,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:12:33,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:12:33,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:12:33,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:12:33,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:12:33,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:12:33,110 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:12:33,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:12:33,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:12:33,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:12:33,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:12:33,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:12:33,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:12:33,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:12:33,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:12:33,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:12:33,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:12:33,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:12:33,114 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_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1 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 -> 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 [2024-12-02 13:12:33,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:12:33,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:12:33,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:12:33,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:12:33,356 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:12:33,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2024-12-02 13:12:36,140 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/76929b5a0/c24f3f8c981a4b2a9a1699dc6f064cee/FLAGe94eaabea [2024-12-02 13:12:36,316 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:12:36,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2024-12-02 13:12:36,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/76929b5a0/c24f3f8c981a4b2a9a1699dc6f064cee/FLAGe94eaabea [2024-12-02 13:12:36,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/data/76929b5a0/c24f3f8c981a4b2a9a1699dc6f064cee [2024-12-02 13:12:36,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:12:36,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:12:36,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:12:36,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:12:36,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:12:36,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:36,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274baea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36, skipping insertion in model container [2024-12-02 13:12:36,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:36,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:12:36,815 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_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2024-12-02 13:12:36,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:12:36,894 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:12:36,902 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_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2024-12-02 13:12:36,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:12:36,952 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:12:36,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36 WrapperNode [2024-12-02 13:12:36,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:12:36,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:12:36,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:12:36,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:12:36,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:36,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:36,988 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2024-12-02 13:12:36,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:12:36,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:12:36,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:12:36,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:12:36,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:36,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,001 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,012 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]. [2024-12-02 13:12:37,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,022 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:12:37,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:12:37,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:12:37,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:12:37,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (1/1) ... [2024-12-02 13:12:37,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:12:37,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:12:37,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:12:37,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:12:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:12:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:12:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:12:37,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:12:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:12:37,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:12:37,153 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:12:37,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:12:44,681 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-02 13:12:44,681 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:12:44,692 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:12:44,692 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 13:12:44,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:44 BoogieIcfgContainer [2024-12-02 13:12:44,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:12:44,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:12:44,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:12:44,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:12:44,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:12:36" (1/3) ... [2024-12-02 13:12:44,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c7cee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:44, skipping insertion in model container [2024-12-02 13:12:44,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:36" (2/3) ... [2024-12-02 13:12:44,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c7cee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:44, skipping insertion in model container [2024-12-02 13:12:44,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:44" (3/3) ... [2024-12-02 13:12:44,704 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-97.i [2024-12-02 13:12:44,718 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:12:44,720 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-97.i that has 2 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:12:44,770 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:12:44,781 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;@5a8f1627, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:12:44,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:12:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:12:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:12:44,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:44,796 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:12:44,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:44,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:44,800 INFO L85 PathProgramCache]: Analyzing trace with hash -635692981, now seen corresponding path program 1 times [2024-12-02 13:12:44,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:44,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506472992] [2024-12-02 13:12:44,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:44,809 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 [2024-12-02 13:12:44,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:44,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:12:44,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:12:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:45,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:12:45,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2024-12-02 13:12:45,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:45,458 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:45,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506472992] [2024-12-02 13:12:45,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506472992] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:45,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:45,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:12:45,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448160366] [2024-12-02 13:12:45,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:45,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:12:45,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:45,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:12:45,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:12:45,481 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:12:45,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:45,505 INFO L93 Difference]: Finished difference Result 161 states and 277 transitions. [2024-12-02 13:12:45,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:12:45,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-12-02 13:12:45,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:45,512 INFO L225 Difference]: With dead ends: 161 [2024-12-02 13:12:45,513 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 13:12:45,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:12:45,518 INFO L435 NwaCegarLoop]: 125 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, 125 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 [2024-12-02 13:12:45,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:12:45,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 13:12:45,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-12-02 13:12:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:12:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2024-12-02 13:12:45,556 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 160 [2024-12-02 13:12:45,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:45,556 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2024-12-02 13:12:45,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:12:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-12-02 13:12:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:12:45,560 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:45,560 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:12:45,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 13:12:45,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:12:45,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:45,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:45,762 INFO L85 PathProgramCache]: Analyzing trace with hash -289386669, now seen corresponding path program 1 times [2024-12-02 13:12:45,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:45,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938809884] [2024-12-02 13:12:45,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:45,763 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 [2024-12-02 13:12:45,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:45,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:12:45,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:12:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:46,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:12:46,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:12:49,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:49,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:49,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938809884] [2024-12-02 13:12:49,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938809884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:49,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:49,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:12:49,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555900081] [2024-12-02 13:12:49,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:49,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:12:49,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:49,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:12:49,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:12:49,061 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:12:50,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:12:56,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:00,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:07,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:11,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:12,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:12,055 INFO L93 Difference]: Finished difference Result 230 states and 359 transitions. [2024-12-02 13:13:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:13:12,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 13:13:12,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:12,061 INFO L225 Difference]: With dead ends: 230 [2024-12-02 13:13:12,061 INFO L226 Difference]: Without dead ends: 155 [2024-12-02 13:13:12,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:13:12,062 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 77 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 49 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:12,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 290 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 65 Invalid, 4 Unknown, 0 Unchecked, 22.9s Time] [2024-12-02 13:13:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-12-02 13:13:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 129. [2024-12-02 13:13:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 78 states have internal predecessors, (103), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:13:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 199 transitions. [2024-12-02 13:13:12,087 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 199 transitions. Word has length 160 [2024-12-02 13:13:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:12,087 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 199 transitions. [2024-12-02 13:13:12,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:13:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2024-12-02 13:13:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:13:12,090 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:12,090 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:13:12,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:13:12,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:13:12,291 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:12,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:12,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1310455023, now seen corresponding path program 1 times [2024-12-02 13:13:12,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:12,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894795557] [2024-12-02 13:13:12,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:12,292 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 [2024-12-02 13:13:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:12,294 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:13:12,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 13:13:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:12,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:13:12,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-12-02 13:13:13,436 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:13:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 13:13:14,397 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:13:14,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894795557] [2024-12-02 13:13:14,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894795557] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:13:14,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:13:14,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-12-02 13:13:14,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733255292] [2024-12-02 13:13:14,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:13:14,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:13:14,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:13:14,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:13:14,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:13:14,400 INFO L87 Difference]: Start difference. First operand 129 states and 199 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 13:13:20,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:24,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:28,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:32,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:33,604 INFO L93 Difference]: Finished difference Result 219 states and 328 transitions. [2024-12-02 13:13:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 13:13:33,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 160 [2024-12-02 13:13:33,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:33,606 INFO L225 Difference]: With dead ends: 219 [2024-12-02 13:13:33,606 INFO L226 Difference]: Without dead ends: 143 [2024-12-02 13:13:33,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:13:33,608 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 133 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 58 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:33,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 417 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 389 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2024-12-02 13:13:33,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-12-02 13:13:33,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 135. [2024-12-02 13:13:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 82 states have (on average 1.2073170731707317) internal successors, (99), 82 states have internal predecessors, (99), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:13:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 195 transitions. [2024-12-02 13:13:33,632 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 195 transitions. Word has length 160 [2024-12-02 13:13:33,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:33,632 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 195 transitions. [2024-12-02 13:13:33,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 13:13:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2024-12-02 13:13:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:13:33,635 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:33,635 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:13:33,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-12-02 13:13:33,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:13:33,836 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:33,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:33,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1061104353, now seen corresponding path program 1 times [2024-12-02 13:13:33,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:33,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398921718] [2024-12-02 13:13:33,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:33,837 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 [2024-12-02 13:13:33,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:33,839 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:13:33,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:13:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:34,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:13:34,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:39,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 715 proven. 153 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-12-02 13:13:39,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:13:49,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:13:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398921718] [2024-12-02 13:13:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398921718] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:13:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [616734975] [2024-12-02 13:13:49,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:49,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:13:49,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:13:49,764 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:13:49,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f74b0fc-ea6c-4324-bf6b-a10d83cb0dcd/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 13:13:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:53,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-02 13:13:53,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:15:02,485 WARN L286 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:15:51,324 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:16:43,060 WARN L286 SmtUtils]: Spent 8.83s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:17:39,303 WARN L286 SmtUtils]: Spent 9.21s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:17:44,361 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:17:56,042 WARN L286 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:18:01,660 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:19:05,485 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_11~0))) (and (bvsge .cse0 (_ bv0 32)) (fp.lt c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1284.0 5.0)) c_~var_1_20~0)) (not (fp.gt ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_29~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 10.0)))) (= c_~var_1_11~0 c_~var_1_28~0) (bvsge ((_ sign_extend 16) c_~var_1_10~0) (_ bv4294967295 32)) (fp.eq ((_ to_fp 8 24) c_currentRoundingMode (/ 24.0 5.0)) c_~var_1_18~0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_20~0))) (let ((.cse1 (fp.lt .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.neg .cse2)) c_~var_1_29~0)) (and (= ((_ to_fp 8 24) c_currentRoundingMode .cse2) c_~var_1_29~0) (not .cse1))))) (fp.geq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (bvsle ((_ zero_extend 24) c_~var_1_16~0) (_ bv127 32)) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv191 32)) (bvsle ((_ zero_extend 24) c_~var_1_15~0) (_ bv64 32)) (not (bvult c_~var_1_26~0 .cse0)) (let ((.cse3 (fp.lt c_~var_1_18~0 c_~var_1_17~0))) (or (and .cse3 (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) c_~var_1_22~0)) (and (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0) c_~var_1_22~0) (not .cse3)))) (= c_~var_1_23~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_24~0) (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))))) is different from true [2024-12-02 13:19:47,659 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:20:23,726 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:20:33,229 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_11~0))) (and (bvsge .cse0 (_ bv0 32)) (fp.lt c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1284.0 5.0)) c_~var_1_20~0)) (not (fp.gt ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_29~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 10.0)))) (= c_~var_1_11~0 c_~var_1_28~0) (bvsge ((_ sign_extend 16) c_~var_1_10~0) (_ bv4294967295 32)) (fp.eq ((_ to_fp 8 24) c_currentRoundingMode (/ 24.0 5.0)) c_~var_1_18~0) (let ((.cse2 (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_20~0))) (let ((.cse1 (fp.lt .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.neg .cse2)) c_~var_1_29~0)) (and (= ((_ to_fp 8 24) c_currentRoundingMode .cse2) c_~var_1_29~0) (not .cse1))))) (fp.geq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (bvsle ((_ zero_extend 24) c_~var_1_16~0) (_ bv127 32)) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv191 32)) (bvsle ((_ zero_extend 24) c_~var_1_15~0) (_ bv64 32)) (= |c_ULTIMATE.start_step_~stepLocal_6~0#1| c_~var_1_14~0) (not (bvult c_~var_1_26~0 .cse0)) (let ((.cse3 (fp.lt c_~var_1_18~0 c_~var_1_17~0))) (or (and .cse3 (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) c_~var_1_22~0)) (and (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0) c_~var_1_22~0) (not .cse3)))) (= c_~var_1_23~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_24~0) (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))))) is different from true [2024-12-02 13:20:47,895 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:20:53,136 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:21:01,138 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:21:22,241 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:22:07,287 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0)) (.cse4 ((_ zero_extend 24) c_~var_1_15~0)) (.cse0 ((_ sign_extend 16) c_~var_1_11~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsge ((_ zero_extend 16) c_~var_1_28~0) .cse1) (fp.lt c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1284.0 5.0)) c_~var_1_20~0)) (not (fp.gt ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_29~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 10.0)))) (= c_~var_1_11~0 c_~var_1_28~0) (bvsge ((_ sign_extend 16) c_~var_1_10~0) (_ bv4294967295 32)) (fp.eq ((_ to_fp 8 24) c_currentRoundingMode (/ 24.0 5.0)) c_~var_1_18~0) (let ((.cse3 (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_20~0))) (let ((.cse2 (fp.lt .cse3 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse2 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.neg .cse3)) c_~var_1_29~0)) (and (= ((_ to_fp 8 24) c_currentRoundingMode .cse3) c_~var_1_29~0) (not .cse2))))) (fp.geq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (bvsle ((_ zero_extend 24) c_~var_1_16~0) (_ bv127 32)) (bvsge .cse1 (_ bv191 32)) (= c_~var_1_30~0 ((_ extract 7 0) .cse4)) (bvsle .cse4 (_ bv64 32)) (not (bvult c_~var_1_26~0 .cse0)) (let ((.cse5 (fp.lt c_~var_1_18~0 c_~var_1_17~0))) (or (and .cse5 (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) c_~var_1_22~0)) (and (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0) c_~var_1_22~0) (not .cse5)))) (= c_~var_1_23~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_24~0) (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))))) is different from true [2024-12-02 13:22:23,358 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:22:28,359 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:22:36,943 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:22:48,781 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:23:27,059 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:23:45,024 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:23:56,056 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_10~0)) (.cse2 ((_ zero_extend 24) c_~var_1_14~0)) (.cse6 ((_ zero_extend 24) c_~var_1_15~0)) (.cse0 ((_ sign_extend 16) c_~var_1_11~0)) (.cse1 ((_ zero_extend 16) c_~var_1_28~0))) (and (bvsge .cse0 (_ bv0 32)) (bvsge .cse1 .cse2) (fp.lt c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1284.0 5.0)) c_~var_1_20~0)) (not (fp.gt ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_29~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 10.0)))) (= c_~var_1_11~0 c_~var_1_28~0) (bvsge .cse3 (_ bv4294967295 32)) (fp.eq ((_ to_fp 8 24) c_currentRoundingMode (/ 24.0 5.0)) c_~var_1_18~0) (let ((.cse5 (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_20~0))) (let ((.cse4 (fp.lt .cse5 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse4 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.neg .cse5)) c_~var_1_29~0)) (and (= ((_ to_fp 8 24) c_currentRoundingMode .cse5) c_~var_1_29~0) (not .cse4))))) (fp.geq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd .cse3 (bvneg .cse0)))) (bvsle ((_ zero_extend 24) c_~var_1_16~0) (_ bv127 32)) (bvsge .cse2 (_ bv191 32)) (= c_~var_1_30~0 ((_ extract 7 0) .cse6)) (bvsle .cse6 (_ bv64 32)) (not (bvult c_~var_1_26~0 .cse0)) (let ((.cse7 (fp.lt c_~var_1_18~0 c_~var_1_17~0))) (or (and .cse7 (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) c_~var_1_22~0)) (and (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0) c_~var_1_22~0) (not .cse7)))) (bvule .cse1 (bvudiv .cse1 c_~var_1_7~0)) (= c_~var_1_23~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) c_~var_1_24~0) (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))))) is different from true [2024-12-02 13:24:12,981 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:24:23,926 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:24:30,093 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:24:36,310 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:24:41,613 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:24:50,380 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:25:01,506 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:25:21,038 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)